Ispring Rcc7

By iSpring Water Systems

As America's favorite brand of reverse osmosis systems, and backed by iSpring’s industry-leading customer support, the RCC7 is unequaled in quality, performance, and durability. The system consists of 5-stage, layered filtration built around precision reverse osmosis (RO) technology that removes over 1000+ different kinds of contaminants in order to provide the best home drinking water filtration available. Unlike some other systems, the combination of both GAC and CTO filters in the 2nd and 3rd stages provides greater protection against harmful chemicals than CTO alone. It features a 75 Gal. per-day capacity RO membrane, which is larger than most in its class and provides the capacity to economically handle the drinking water needs of even a large family. The system is quiet and low maintenance. Replacement filters are standard-sized and sold at factory direct pricing. Designed for do-it-yourself installation by most users, the entire system fits nicely under a standard kitchen sink. Installation is straightforward and all parts necessary for installation are included. You are guided by clear, well-organized written instructions, instructional videos, and access to iSpring’s unparalleled technical support.

This was easy to install and we'll work the money paid. I have not use reverse osmosis before this but I have tried many other types of filters and even was distilling all my water at one point. This RO filter does such a great job that I no longer need a distiller which takes a lot more time and electricity than an RO filter. Be aware if your water has a lot of toxins and minerals in it you may have to replace the filters a little more often. I would recommend using a TDS meter to determine when to replace the filters.. Kristina. AZ. Fri Apr 25 2025

By iSpring Water Systems

The RCC7P-AK is unequaled in quality, performance and durability. The system consists of 6-stage, layered filtration built around precision reverse osmosis (RO) technology that removes over 1000+ different kinds of contaminants in order to provide the best home drinking water filtration available. It features a 75 GPD capacity RO membrane, which is larger than most in its class and provides the capacity to economically handle the drinking water needs of even a large family. The RCC7P-AK model is equipped with a booster pump for situations where inlet/house water pressure is low – below about 40 psi. After flowing through the initial 5 stages of the ISPRING RCC7 line of Reverse Osmosis filtering products, the RCC7P-AK also adds another Alkaline Remineralization (AK) stage. This stage is designed to restore the natural alkalinity and mineral balance of the water. The RO process effectively generates pure water but also removes a few helpful minerals in the process. The red mineral stone of the AK filter adds back healthy minerals including calcium and magnesium, that other systems don't. The calcite portion of the filter neutralizes the pH of the RO water. And the water tastes better too.

excellent item, easy to follow instructions for install, and the water tastes great-pleased with my purchase, fair price. Gkl. Colorado. Thu Feb 05 2026

By iSpring Water Systems

The iSpring RCC7P-AK+AATI is a premium 6-stage reverse osmosis system upgraded for maximum performance and convenience. Designed with a built-in booster pump for homes with low water pressure and an alkaline filter for better-tasting water, this system removes up to 99% of over 1,000 contaminants. The all-in-one AATI kit includes a TDS meter, digital filter life timer, fridge/ice maker connection kit, and a sliding mounting kit for effortless filter access. Enjoy clean, mineral-rich water delivered conveniently.

I’ve had the six stage model RCC7P – AK for about a year. I’m just now doing my first filter change, all, but the RO Membrane. I have a bit of an unconventional installation. My system is about 20 feet from the water supply in the sink drain. I’ve had it installed on the floor. But for this filter change, I mounted it to the wall about 12 inches above the floor with support under the filters. That will make future filter changes much easier in the future. Couldn’t be happier with the system. Great system, great tasting water with very effective filtering. My water starts off with a TDS of about 500, water are coming out of the filtered faucet comes in at under 40 TDS :-). Curious One. Mesquite, NV. Wed Feb 04 2026

By iSpring Water Systems

iSpring RCC7AK-UVBLK, Alkaline and UV 7-Stage Reverse Osmosis Water Filter System, Clear Housing for Easy Filter Inspection, Reduces PFAS, TDS, Chlorine, Lead, Enhances Water Taste, pH Balanced

[This review was collected as part of a promotion.] Took some time for instalation. Not enough room. Under my sink so had to improvise. Improved my drinking water drastically. Removed the smell and the rusty taste. I look forward to drinking my water now.. Lorettas. Wed May 13 2026

By iSpring Water Systems

The RO5004F-AK alkaline reverse osmosis water filter delivers a superior water filtration experience with its 7-layer system, ensuring clean water for your entire household. Its alkaline remineralization feature adds beneficial minerals back into your water, balancing the pH for healthier, spring-like water. Its tankless design maximizes under sink space while producing up to 500 GPD, enough to fill a cup in just 10 seconds. This high-efficiency under sink RO system features a built-in pump, allowing faster water flow even in areas with low water pressure. The pump operates with reduced noise for a more comfortable experience. This reverse osmosis system under sink also incorporates UV light technology for an extra layer of protection. The filter monitor provides timely reminders for filter replacements. The self-cleaning feature of the RO system under sink can prolong filter life while maintaining optimal filtration performance. In the unlikely event of a leak, the built-in leak-stop valve provides an extra layer of safety, making this RO water filtration system a highly reliable solution for clean water. Backed by our US-based team, it offers lifetime technical support for hassle-free operation.

By iSpring Water Systems

Certified to NSF/ANSI 58, the RCC7AK water filter is a multi-layered reverse osmosis system under a sink that provides optimal protection against over 1,000 different types of contaminants, removing up to 99% of rust, sediment, taste, arsenic, asbestos, chlorine, hormones, fluoride, lead (up to 98%), mercury, sodium, and more. Featuring some of the longest-lasting filters in the industry, the reverse osmosis water filtration system consists of 6 stages of water filters, each one designed to progressively remove contaminants and improve water quality. After flowing through the initial 5 stages of the iSpring RCC7 line of reverse osmosis filtering products, the RCC7AK RO system adds another alkaline remineralization (AK) stage. This stage is designed to restore the natural alkalinity and mineral balance of the water. The RO membrane effectively generates pure water but also removes a few helpful minerals. The red mineral stone portion of the AK water filter adds back healthy minerals including calcium, and magnesium, that other systems don't. The calcite portion of the filter neutralizes the pH of the RO water. And the water tastes better too. Because RO water is so pure, some people may find it tastes unnatural. Many people prefer the more natural taste that comes from the presence of some minerals. Remineralization restores just the right proportion of healthy minerals.

I installed this yesterday and woke up to great coffee due to using this water. The difference in taste is amazing and best of all, no more plastic bottles. I fill up glass jars and keep in the fridge. I only wish I had bought this years ago.. Bobby. US. Mon Nov 21 2022

By iSpring Water Systems

iSpring CRO2000 5-Stage Tankless Commercial Reverse Osmosis Drinking Water Filtration System w/ Pumps, Pressure Gauges, and Freestanding Stainless Steel Bracket, for Restaurants and Small Businesses

By iSpring Water Systems

The RCS5T removes chlorine, hardness, heavy metals, toxins, and more. It is engineered to meet the needs of light commercial and high demand environments, making it the optimal choice for small businesses. It produces reverse osmosis water at up to 500 GPD, a pace that allows it to function as a tankless system without affecting functionality. The centerpiece of the system is its dual-flow RO membrane that receives water from both sides of the membrane housing and is fueled by a high powered booster pump. Higher water pressure to the dual-flow membrane results in faster RO production and less drain water being rejected. These factors culminate in the RCS5T achieving an exceptional 1:1 pure to drain water ratio. The RCS5T can be used with water pressure sources as low as 25 psi, and has a built in pressure gauge to provide an accurate pressure reading. A power source is required for the booster pump, and a holding tank can be added to the system for high usage situations. Please Note: The RO membrane capacity is affected by the inlet water pressure and water temperature. 500GPD is the maximum rated production rate, not the recommended daily usage amount.

Great quality and easy to install.. Courtney. Queen Creek, AZ. Sat Jun 13 2026

By iSpring Water Systems

The RO800G-UV under-sink reverse osmosis water filter offers efficient water management with a 2.5:1 pure-to-waste water ratio, conserving up to 750% more water than traditional systems. It removes over 1,000 contaminants, including chlorine and lead, with a potential TDS rejection rate of up to 99%. Advanced features include an LED UV light and a smart flow sensor for optimal performance. Built-in filter life indicators prompt timely replacements, and installation is simplified with integrated-water-route technology and a compact design.

By iSpring Water Systems

I am very disappointed with the lack of information on replacing the filters on the ro ispring tankless 800 gpd. there is not one video anywhere that shows a step by step video of how to. The actual system has been great until my first filter replacement. I would never have bought this product had I know there was zero information available on this topic.. T. Mon Aug 26 2024

By iSpring Water Systems

Enhance your kitchen with this premium reverse osmosis water filter, blending sleek design, exceptional performance, and long-term reliability. Featuring a sleek 304 stainless steel black faucet, this advanced reverse osmosis system provides fresh, great-tasting water while maximizing efficiency with a pure-to-drain ratio of up to 2:1. The high-performance RO water filtration system incorporates a patented top-mounted design for easy installation and a reliable 5-stage filtration process to deliver outstanding water purity. Crafted with premium components, this osmosis water filter system eliminates up to 99% of over 1,000 harmful contaminants, including PFAS, lead, fluoride, and microplastics. For added versatility, it can connect directly to your fridge or ice maker and functions perfectly as a reverse osmosis water filter under sink for any modern home. Supported by nearly 20 years of expertise and lifetime technical assistance, it’s a trusted solution for clean, safe, and healthy water every day.

The system works very nicely for us on our rural water supply. We had one concern with it operating louder than normal; iSpring warranted the system and sent us a new head with no hassles. Great service!. Thyee27. Mon May 11 2026

By iSpring Water Systems

Upgrade your kitchen with this premium reverse osmosis water filter that combines sleek design, powerful performance, and lasting durability. Featuring a stylish 304 stainless steel black faucet, this advanced reverse osmosis system delivers fresh, great-tasting water while saving resources with a pure-to-drain ratio of up to 2:1. The high-performance RO water filtration system uses a patented top-mounted design for easy installation and an AK mineral stage to add beneficial minerals and balanced pH to every glass. Built with high-quality components, this osmosis water filter system removes up to 99% of over 1,000 harmful contaminants, including PFAS, lead, fluoride, and microplastics. Designed for flexibility, it supports direct connection to your fridge or ice maker and functions perfectly as a reverse osmosis water filter under sink for any modern home. Backed by nearly 20 years of expertise and lifetime technical support, it’s a reliable choice for clean, safe, and healthy water every day.

By iSpring Water Systems

Dedicated 2-year filter (FCF500x4, MRO500, FCA500x2) for iSpring RO500AK tankless reverse osmosis system.

By iSpring Water Systems

This advanced reverse osmosis water filter system removes up to 99% of over 1000 contaminants including PFAS, lead, chlorine, and microplastics. It includes a black faucet made of 304 stainless steel and a transparent first stage housing that allows you to monitor the filter condition. The booster pump supports stable water pressure, and the UV filter provides up to 99% sterilization. Backed by nearly 20 years of expertise, this RO water filtration system delivers clean water and long term use with lifetime support based in Atlanta, GA.

By iSpring Water Systems

The iSpring RCC2AK is a high-capacity under-sink reverse osmosis system designed for large households and office environments. Its upgraded 200 GPD membrane produces filtered water more efficiently, making it well-suited for higher daily usage.In addition to reducing a wide range of common tap water contaminants, the alkaline filter adds back essential minerals like calcium and magnesium, improving taste and supporting a balanced pH level. Featuring a patented top-mounted faucet design and transparent first-stage housing, the RCC2AK offers easy DIY installation and real-time filter monitoring. No electricity is required, and a built-in check valve helps prevent backflow for safe, reliable performance—backed by iSpring’s U.S.-based support team with nearly 20 years of experience.

[This review was collected as part of a promotion.] This was honestly kind of difficult to install, but once getting it installed with the help of my dad, it works great. I have a hard water issue at my home even in my kitchen sink and this has really helped that it makes it convenient.. Georgian. Fri Apr 17 2026

By iSpring Water Systems

Dedicated 2-year filter (FCF500x4, MRO500, FCB500x2) for iSpring RO500 tankless reverse osmosis system.

Floyd. MI. Mon Jul 14 2025

By iSpring Water Systems

iSpring F3-RO500AK 1-Year Replacement Filter Pack for RO500 Series Tankless Reverse Osmosis Water Filtration System

Love the system and the company and Iris helped in sorting out the filter.. Assyrianme. Sun Mar 08 2026

By iSpring Water Systems

[This review was collected as part of a promotion.] I am so happy that I was accepted into this program to review this under the sink Water filtration system! It has made my faucet Walter much safer for drink by removing those horrible minerals! It was rather hard to install though, I had to hire a plumber to install it on my kitchen sink.. Radiahg. Sun Mar 01 2026

By iSpring Water Systems

The iSpring RCC2AK-UV is a high-capacity under sink reverse osmosis water filter designed for large households and office environments. Its upgraded 200 GPD membrane produces filtered water more efficiently, making it well-suited for higher daily usage._x000D_ In addition to removing a wide range of common tap water contaminants, the alkaline filter restores essential minerals like calcium and magnesium, enhancing taste and supporting a balanced pH level. The built-in UV filtration stage offers an extra layer of protection, ensuring your drinking water is safe._x000D_ With its patented top-mounted faucet design and transparent first-stage housing, this water filter for sink makes DIY installation simple and allows for easy monitoring of filter status. It is backed by iSpring’s U.S.-based support team with nearly 20 years of industry expertise._x000D_

Very happy with this iSpring 7-stage filter. A few things that stand out: Amazing taste: The alkaline stage really makes a difference. The water has a wonderfully cool and fresh taste. Fast filtering: The water tank collection is incredibly quick. It produces enough water to keep a family of five fully hydrated all day with no bottleneck. Worth the price: A great investment for our home.. Andrii. Torbay. Sat Apr 04 2026

By iSpring Water Systems

iSpring RO1000-ORB Tankless Reverse Osmosis Water Filtration System

By iSpring Water Systems

iSpring RCD100 5-Stage Countertop Reverse Osmosis System, Instant Hot RO Water Dispenser with UV, 2.5:1 Pure to Drain, 100 GPD Portable Water Filtration System, 4 Temperature Options, Plug and Play

I bought the RC100 about a year ago and the unit I have has been great - it does everything I've hoped and the little unit serves our family well. Recently, our unit stopped working after about 1 year and it just wouldn't turn on. I contacted iSpring support and Nick was super responsive and helpful to work with me. This reminds me of a key reason i decided to purchase this iSpring unit - during my research I read about the company's excellent support and that it's based in the USA, and Nick's proven the excellent support to be true! For anyone considering purchasing a RO system, keep this in mind. Buying from a company with a US-based support team could be a huge differentiator if you ever need help.. Steven. San Jose, CA. Fri Mar 27 2026

By iSpring Water Systems

iSpring F7D 1-Year Reverse Osmosis Water Filter Replacement Cartridge Pack for 5-Stage De-ionization RO Water Filter Systems, Fits iSpring RCC1D & RCC1DP, 7 Count (Pack of 1)

By iSpring Water Systems

Introducing the next generation of reverse osmosis filtration systems: the iSpring RO500AK-UV tankless RO reverse osmosis water filtration system. Building on the success of the trusted iSpring RCC7 series, this advanced RO system sets a new standard for water purification. Enjoy faster access to clean and delicious drinking RO water with a speedy flow rate of up to 0.4 gallons per minute, making it perfect for families, offices, coffee shops, restaurants, and more. Say goodbye to long wait times when filling up your cup, pitcher, or cooking pots.

By iSpring Water Systems

Superior Whole House Filtration: Eliminate unpleasant odors and taste from your water! Our whole-home system removes up to 99% of chlorine, sediment, rust, herbicides, and more.

So far so good! Much more cost efficient than purchasing from home goods stores and is working well for us. Good purchase!. Carol. Se Us. Fri Nov 21 2025

By iSpring Water Systems

This 2-year replacement filter pack for the iSpring RO5004FAK includes sediment, carbon block, anti-scale and alkaline replacement filters, and a 500 GPD RO membrane, ensuring clean, great-tasting water. It removes up to 99% of contaminants, prevents scale buildup, replenishes your water with healthy minerals and offers quick, easy-to-change filters for up to two years of reliable performance.

By iSpring Water Systems

Introducing the WSP100ARB, a flushable and reusable filter that creates a multi-layer gradient filtration system, extending filter life. With upgraded capacity, it effectively filters particulate, impurities, sediment, rust, and floating objects. Built with pressure-resistant materials, easy installation, and an integrated auto flushing module, it offers maximum flow rate of 25 GPM and includes parts for installation and maintenance.

It worked. Put it in the basement just after the main vavle and it saves the GE replacement filters.. Janet. Thu Mar 05 2020

By iSpring Water Systems

The WSP series spin down sediment filter is the first line defense to your appliances. It protects and extends the life of your standard filters by removing the large dirt, sand, and rust particles before they reach the rest of your plumbing system, including water softeners and expensive appliances. The WSP series is flushable and reusable. It is recommended to flush it regularly (daily or weekly), depending on the water usage, sediment amount and the hardness level. However, as hardness tends to form hard scale that clogs the screen, simple flushes may not be sufficient. When necessary, remove the stainless steel cartridge and clean it with a brush and/or soak it in vinegar. The WSP spin down sediment filter comes with a variety of options in micron size.Smaller microns allow less through, but to get most life and efficiency out of your filters it’s important to only go as small as you need. Differences in water quality and your water pressure affect the performance of the WSP.

Works awesome for removing sediment pre filter thks. Mike. CA. Sat Apr 27 2024

By iSpring Water Systems

The WSP50ARB spin-down sediment filter lead is a central water filtration pre-filter to protect your terminal equipment and appliances. Buy online today!

By iSpring Water Systems

The iSpring WGB32BM is a 3-stage whole house water filtration system designed to reduce iron, manganese, chlorine, rust, and sediment, providing clean, clear water to every tap in your home. This system uses standard 20” x 4.5” filter cartridges and features high-capacity housings for minimal pressure drop and long service life. An additional 6-month replacement filter set is included.

Exactly what my city water needed (yes, it's that bad). I have been running this system for four months. Since the install is have had zero water quality issues, which used to happen a couple times a week. Be sure to get the spin down filter, it has saved me a few times when the town filled it's housing with sand. As far as numbers go, my TDS pre filter is in the 480s Vs post filter in the 190s.. Themechanic. Mon May 25 2026

By iSpring Water Systems

At iSpring, we look beyond technology to make high-quality drinking water accessible for all households. We provide our customers with professional water solutions to any water concerns you may have.

It works great and is much easier than going to the store to buy filtered water. My water is considerably better and the installation was great.. Andrew. Mon Jan 20 2020

By iSpring Water Systems

The iSpring WGB32B-CPB 3-Stage Whole House Water Filtration System is built to provide clean and safe water for your entire home. This system reduces sediment, dirt, sand, rust, chlorine, chloramines, unpleasant taste, and odors from your water supply, improving water quality for drinking, bathing, cooking, and cleaning. Its oversized high-capacity filters ensure strong water flow and extended service life, while protecting household appliances from sediment buildup and chlorine damage. For an added level of protection, this bundle includes the iSpring UVF55FS UV water filter. The UV system uses ultraviolet light to neutralize bacteria and viruses, delivering peace of mind with every drop. Together, this bundle combines comprehensive filtration with advanced UV sterilization, making it an ideal choice for households seeking cleaner, safer, and better-tasting water.

By iSpring Water Systems

This 2-year replacement filter pack for the iSpring RO5004F includes sediment, carbon block, anti-scale replacement filters, and a 500 GPD RO membrane, ensuring clean, great-tasting water. It removes up to 99% of contaminants, prevents scale buildup, and offers quick, easy-to-change filters for up to two years of reliable performance.

By iSpring Water Systems

iSpring 4.5x10 in. 5 micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge, Pack of 4

By iSpring Water Systems

The iSpring RCC2 is a high-capacity under-sink RO system designed for households and offices with higher water demands. Its upgraded 200 GPD membrane delivers faster flow, making it ideal for large families and shared spaces. This 6-stage system reduces a wide range of common contaminants and improves water taste and clarity. The patented top-mounted faucet design allows for easier installation, while the see-through first-stage housing makes filter checks quick and simple. With no power required and a built-in check valve to prevent backflow, the RCC2 offers safe, efficient, and low-maintenance performance—backed by iSpring’s U.S.-based technical support team

I have used the RCC7AK for the past 7 years and it's been a great product. The water tastes great. One part did end up failing after years of use, but I plan to replace that and continue using the RCC7AK in a different location. I pre-ordered this RCC2 as a higher flow-rate replacement since I often fill gallon pitchers of water and faster is better. The new system works great and the water tastes just as great.. Gwater. Seattle, WA. Fri Aug 01 2025

By iSpring Water Systems

The iSpring CW31-PF 3-Stage RV Water Filtration System is SGS-tested to remove PFAS, delivering safer, cleaner water for campers and RVs. Built with 3/4" lead-free brass quick connectors and a robust tankless design, it integrates a three-stage filtration process to remove sediment, chlorine, odors, and up to 99.4% of PFAS, ensuring water safety and good taste while reducing reliance on bottled water. The system installs effortlessly without tools and features durable, leak-proof housings for reliable performance. Filters are easily replaced every 6-12 months (depending on usage) support for hassle-free maintenance and long-term confidence in your water quality.

Bought the ice maker kit to hook up the fridge as well.. Cristian. Tue Apr 21 2020

By iSpring Water Systems

The Ispring ED2000 whole-house electronic water descaler is an innovative, computerized water conditioning system that solves hard water problems without the need for chemicals, salt, or filter cartridges by leaving the minerals in the water and preventing them from forming lime-scale deposits. It requires little maintenance as it does not need the constant salt additions or cartridge replacements that traditional water softening systems require. The ED2000 functions by wrapping 2 antenna cables around the main water pipe to form a coil, creating a complex, frequency-modulated, and electronic magnetic waveform. The ED2000 functions by wrapping two antenna cables around the main water pipe to form a coil, creating a complex, frequency-modulated, and electronic magnetic waveform. This induces an oscillating electric field into the water, resulting in the agitation of water molecules sufficient enough to trigger the release of carbon dioxide and cause the premature precipitation of calcium bicarbonate. This process naturally results in a small increase in solubility, which allows the now unsaturated water to dissolve existing scale deposits and remove them from the water system.

It’s not the most expensive descaled but so far so good. Puts on a nice light show too. The manual is well written. This appears to be manufactured in Atlanta. Not thrilled about the wall wart power supply and would had preferred an internal version. Edit after a few months, my 20 year old plumbing has been descaling en mass. I replaced my water heater, also 20 years old. The water is coming out with the lime sentiment. It quickly settles. But I’m hoping it finishes. The product obviously works. But be ready for the purge phase. . .. Paul. St. Petersburg, FL. Tue Dec 20 2022

By iSpring Water Systems

Individually wrapped for freshness. Timely replacement of filter cartridges is essential for the water quality and lifespan of reverse osmosis system. There are 7 pieces of 2.5 in. x 10 in. (industrial Standard) filter cartridges included in this genuine iSpring filter pack. The 1st stage is a 5-micron multi-layer gradient polypropylene snow-white filter blocks sediment, sand, dust, rust and anything that causes turbidity. The 2nd stage is granular activated carbon absorbs unpleasant chlorine, tastes and odors, cloudiness and colors. The 3rd stage is CTO carbon block absorbs any residual chlorine, tastes and odors, plus compounding pre-filters' efficiency and protect RO membrane. The final stage is designed for absorbing any possible residual tastes and odors.

I'm been used those h2o filters for years .very satisfied. Sil. NJ. Tue Mar 03 2026

By iSpring Water Systems

iSpring SF2S Stylish Multi-Stage High Output Shower Head Filter with Replaceable Cartridge to Remove Chlorine, Sediment, and Heavy Minerals, Chrome Finish

I really enjoy how my shower feels with this filter in place. Even after the shower, my skin still feels better.. Jane. Houston, TX. Sun Feb 22 2026

By iSpring Water Systems

By iSpring Water Systems

A complete set of replacement filters and membrane for 5-stage reverse osmosis systems, individually wrapped in films for freshness.

By iSpring Water Systems

The iSpring CUA4-BLK is a 4-stage ultrafiltration under sink water filter system featuring a 0.01 micron membrane that effectively reduces chlorine, lead, rust, and other common contaminants—while preserving beneficial minerals. Unlike RO systems, this tankless under sink water filter produces no waste water and fits neatly under most kitchen sinks. With quick twist-on filters, a lead-free brushed nickel faucet, and NSF/ANSI-compliant components, it's an excellent choice for your home water filtration system. Use it as a drinking water filter, sink water filter, or RV water filter. Installation is fast and DIY-friendly with push-to-connect fittings—no tools or plumber required.

By iSpring Water Systems

iSpring F2WGB21BM Replacement Water Filters for 2-Stage 10" Big Blue Whole House Water Filter, Fits WGB21BM

By iSpring Water Systems

The iSpring WGB31B-KS whole house water filter system delivers effective, space-efficient protection for homes with moderate water usage or installation space constraints. This 3-stage filtration setup features a premium GAC+KDF filter in stage 2 that targets a wide range of harmful contaminants—reducing heavy metals, lead, mercury, hydrogen sulfide, and more, commonly found in both municipal and well water. Paired with a high-efficiency sediment filter and a coconut shell carbon block, the WGB31B-KS helps eliminate dirt, rust, chlorine, odors, and unpleasant taste—providing clean, great-tasting water from every tap. Compact filter housings with standard 1” NPT inlet/outlet connections offer easy installation and reliable flow rates with minimal pressure drop. With a capacity of up to 50,000 gallons per set, this system is a reliable choice for households looking to improve water quality throughout the entire home. Each cartridge is individually sealed to ensure freshness and top filtration performance. For complete water purification including TDS reduction, pair it with an iSpring Reverse Osmosis system.

I bought this whole house filtration system a month ago because I love the company so much. I’ve had their PH100 RO system for drinking water for about 5 years and we love it. More importantly, the few times we’ve had an issue, we called iSpring support, and someone from Georgia picked up the phone and gave us all the help we needed. Since installing this new whole house system, we already noticed that it is helping my son’s eczema and my wife’s hair. It’s a great product with an even greater company behind it.. Rob. Hauppauge, NY. Sun Mar 01 2026

By iSpring Water Systems

iSpring CU-A4 Ultra Filtration 7-piece Filter Pack

By iSpring Water Systems

[NSF/ANSI 372 Certified] The WSP100ARJ-BP sediment water filter is certified lead-free under NSF/ANSI 372 standards, ensuring safer and cleaner water for your home.

By iSpring Water Systems

The FP500 5-micron Sediment water filter cartridge is your first line of defense for clean water. Built from durable polypropylene, it effectively removes fine particles like sand and rust while protecting and prolonging the life of other filters in your system. With a lifespan of up to 6 months, it ensures consistent and reliable filtration performance.

By iSpring Water Systems

iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1)

[This review was collected as part of a promotion.] I've had this system for 5 years and it is awesome. Sharon. 26169 U S Hwy 52. Sun Mar 15 2026

By iSpring Water Systems

The WGB21B is a great "point of entry" filtration system and excellent alternative to the larger WGB22B (4. 5"X20") for smaller homes or where limited space may be a concern. Unlike "point of use" systems the WGB21B will filter water directly from your source. This means that water from every outlet in your home will have passed through this filter, providing up to 50, 000 gallons of clean water for the entire family. The first stage of this system houses a 5-micron high-capacity polypropylene sediment filter (FP15B). This filter is responsible for removing dirt, rust, and most suspended solids, to protect and extend the life of the CTO carbon block filter. The second stage houses the 5-micron CTO coconut shell carbon block filter (FC15B). Block carbon is more effective than other forms of carbon in that it is finely ground up carbon packed into a solidified block. This means they have a higher density than other types of carbon filters, and are therefore more effective in removing their targeted contaminants. The carbon block filter knocks out bad tastes and odors, removes over 90% of sediment and chlorine from the water, and is highly effective on organic chemicals (VOCs) like pesticides, herbicides, and industrial chemicals. If you are on city water, your local water utility must meet very strict Federal and State standards for purity. Almost all municipally treated water is chlorinated, and this can affect taste and create odors in the water. The WGB21B filtration system will remove these tastes and odors. If you are on a private well or spring, you should have your water tested.

Shipping was quick.The directions and connectors made the install process very easy. Can't wait to test the system out.. Anonymous. Mon Feb 10 2020