18in X 24in Flexible Acfurnace Filter

By LG

Keep your LG tower-style air purifier in perfect working order with LG replacement filters. The AAFTWT130 replacement filter pack includes one PuriCare micro-particle filter and one deodorizing activated carbon filter (filter cases are not included). LG's filtration system works together to clean the air, capturing dust and other airborne particles.

Ordered my replacement filter for my LG air purifier and now it works like new! Great seller with Wayfair! High quality product at a great price!. Anonymous. Sun Mar 30 2025

By Glasfloss

24" H x 18" W x 2" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Please to have found the filters at a reasonable of price.. Naurmey. Baton Rouge, LA. Wed Jan 14 2026

By VEVOR

Air Scrubber：Optimal Living Comfort

By Glasfloss

24" H x 18" W x 2" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Great price on a quality product. These are recommended by OEM. Very happy with purchase.. David. Wed Dec 25 2024

By 3M

20" H x 20" W x 1" D

It really works massive dust reduction. Talia Marie. Chandler, AZ. Wed Sep 04 2019

By Glasfloss

25" H x 26" W x 2" D

For allergen filtration performance, the Glasfloss ZL MERV 11 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 11 filter features the latest in media technology to achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 11 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By VEVOR

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By BISSELL

Get Simply Clean Air and keep your BISSELL air180 air purifier running its best buy replacing the filters every 6 months with genuine BISSELL replacement filters. Keeping up with filter maintenance means your home air purifier can keep capturing pet dander, pollen, dust, odors, and VOCs from your indoor air. The HEPA filter captures at least 99.97% of particles 0.3 microns and smaller, so you can breathe easier. BISSELL proudly supports BISSELL Pet Foundation and its mission to help save homeless pets. When you buy a BISSELL product, like this replacement filter, you help save pets, too. We're proud to design products that help make pet messes, odors and pet homelessness disappear.

I purchased this for my air purifier. It is made of very durable material. Thank you Wayfair’s.. Ellen. Lumber Bridge, NC. Thu Jan 08 2026

By Glasfloss

20" H x 26" W x 2" D

For allergen filtration performance, the Glasfloss ZL MERV 11 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 11 filter features the latest in media technology to achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 11 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By Glasfloss

24" H x 18" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By 3M

24" H x 20" W x 1" D

Filter is a quality sturdy product. However, I wish my AC was labeled properly with correct filter size needed. Ordered size as the AC was labeled but filters were a little bigger than necessary.. Marlo. Hillsborough, CA. Wed Sep 17 2014

By MANN+HUMMEL

23" H x 20" W x 1" D

The Mann Hummel MERV 8-rated electrostatically charged medium efficiency air filters offer you the protection needed from airborne particles and contaminants while improving the air quality for your residential or commercial applications. With the MERV 8 extremely low-pressure drop and high dust holding capacity, these filters are great for your utilization to supply your home or business with the air quality you wish for while optimizing the performance and longevity of your HVAC unit. Constructed from a two-piece frame provides rigidity and durability with double-wall thickness around the outer edge. Independently tested and verified for quality control (comparable with MPR 600). 100% synthetic, proprietary media withstands moisture and damage. Rust-resistant, expanded metal support grid made of galvanized steel. Industry-standard suggests to replace filters at least every 3 months

By Stellweilan Tessberg

HEPA Filtration Replacement:Our 24 x 24-inch filter is perfect for residential and commercial use, capturing most airborne particles, including debris mites, pollen, mold, odor, etc. We recommend regularly replacing your filter to ensure your air stays clean.

By Stellweilan Tessberg

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By VEVOR

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By Glasfloss

For reliable filtration effectiveness, the glasfloss ZL merv10 pleated 2-inch air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The Merv 10 filter features the latest in media technology to achieve a Merv 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series merv 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By Winix

Combing 99.97% True HEPA performance with Odor Absorbing Carbon Pre-Filters, the Winix Replacement filter E provides protection against smoke, dust, pet dander, pollen, and other allergens as small as 0.3 microns. HEPA, which stands for High-Efficiency Particulate Arresting filter is recognized as the most effective method for removing contaminants and irritants from the air. For Winix FresHome P450.

Fast delivery and quality filter. Annie. Fishers, IN. Fri Mar 07 2025

By VEVOR

22.6" H x 22.6" W x 1.6" D

Efficient Return Air Filter Grille: The upgraded angled blades ensure optimal airflow while reducing noise. Made from durable, scratch-resistant steel with a powder-coated finish, it boosts ventilation efficiency and air quality in both homes and businesses.

Just what I needed after my remodel to freshen up my air vent area. Jayce. Gladewater, TX. Sat Jun 06 2026

By Glasfloss

24" H x 18" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By VEVOR

Expandable Furnace Filter：The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By Timoau

16" H x 18" W x 1" D

Specification Material: Aluminium alloy Compatible Devices: Air Conditioner, Furnace Color: Silver PackageInclude 1x Aluminum Furance Filter

By FreAire

Dual 360° air intakes and Turbo Pet Mode deliver powerful, rapid purification for large spaces up to 1295 sq. ft. Real-time air quality monitoring, auto adjustment, and ultra-quiet 20dB sleep mode ensure fresh, clean air with effortless operation—ideal for homes with pets or light sleepers.

Fast delivery, turbo is kinda loud have it on low and on auto because air quality is very good right now have allergies really bad and cats with their fur so we will see how things go.. Deborah. US. Thu Mar 12 2026

By Stellweilan Tessberg

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By 3M

24" H x 14" W x 1" D

Works better than most filters! Great product ! Love it!. Cs26. Mcminnville, TN. Mon Aug 01 2022

By Glasfloss

24" H x 24" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By Jiafan

Every product undergoes our rigorous internal quality control to ensure that what reaches your hands is a reliable piece that stands the test of time. We look forward to providing you with a worry-free experience.

By Stellweilan Tessberg

Whole House Water Filter System：This 3-stage whole house water filter system efficiently removes sand, rust, odors, and harmful substances, purifying the entire home’s water supply to improve water quality and protect appliances.

This is an impressive looking whole house water filtration system for a fraction of the cost. The 3 stage filtration system makes it a great option especially if you have a well water system. It comes with the filters and the stand that holds the system.. Pamela. Jasper, GA. Sat Mar 07 2026

By Stellweilan Tessberg

High-Efficiency Replacement Filter--Easy to Replace, Long-Lasting Cleanliness:Made with high-quality composite material, this filter captures PM2.5, dust, pollen, pet hair, and other pollutants, enhancing air purification for your family's health. It lasts 6-12 months, with a convenient replacement reminder. Easy to install, it ensures fresh air for everyday use.

By Stellweilan Tessberg

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By Glasfloss

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated 4 inch air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By VEVOR

22.6" H x 22.6" W x 1.6" D

Efficient Return Air Filter Grille： The upgraded angled blades ensure optimal airflow while reducing noise. Made from durable, scratch-resistant steel with a powder-coated finish, it boosts ventilation efficiency and air quality in both homes and businesses.

By Glasfloss

25" H x 20" W x 2" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated 2-inch air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By VEVOR

Expandable Furnace Filter：The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By WBM Smart

WBM Smart Air Purifier Creates a purified ambiance and a healthier life. 3 in-1 Filtration function 1-pre-filter, 2- true HEPA filter, and 3- activated carbon filter captures the allergies and pets, Smokes and removes 99. 97% of pet dander, dust, pollen, odor, mold, etc. Effectively improving indoor air quality and freely enjoying fresh air at home. Keep your home purified with a WBM Smart Air Purifier. Create a purified ambiance and healthier life. WBM HEPA filter is easy to replace and dispose of without any tool required, ensuring you to replace your old filter in minutes Warm Maintenance Tip: When your air purifier filter gets old, the efficiency will decrease when your air purifier is running, leaving more pollutants in the air. Therefore, replacing your filters every 2-3 months is recommended. Instructions: Filters are sealed to protect their lifetime. Please remove the plastic packaging of the new filters before placing them into the air purifier.

Lasts a long time, I will purchase again in the future.. Gail Ann Olsen. Arab, AL. Tue May 19 2026

By WORLD SHOP BOX

20" H x 25" W x 4" D

Furnace Filter, MERV 16 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 2-Pack for Capturing Dust, Smog, Pet Dander High-Efficiency Purification Multi-Layer Filtration Superior Compatibility Stable and Durable Wide Application Long-Lasting Performance Folded Item ,Nominal Filtration Grade: MERV 16,Plastic Body with Screws Width: 3.98 in / 101 mm,Number of Pieces: 2

By Ivation

Ivation Replacement Activated Carbon Filter for IVADGOZHEPA Ivation 5-in-1 HEPA Air Purifier & Ozone Generator W/Digital Display Timer and Remote, Ionizer & Deodorizer 3,700 Sq/Ft

This is such an awesome replacement find!. Raymond. Palm Bay, FL. Thu Mar 12 2026

By 3M

Been using the 20x25x4 for multiple years now. Filters work great, I replace mine every 90 days in my house. Never had any issues or concerns about quality or construction of the filters. I've seen many complaints about the 1" thick filters and while I understand their concerns; a 1" thick filter is old technology and should consider getting a larger filter box. I find the complaints about the tabs holding the pleats in the filter where you may have to push a few back trivial. You're buying a MERV 11 equivalent disposable filter, again DISPOSABLE. It wasn't long ago when everyone was just using the blue fiberglass air filters.. There is a balance between retail cost and manufacturing cost. If they raised prices to appease everyone, they'd complain the filters are too expensive even though build quality is excellent!. Your Neighbor. Indiana. Wed Dec 21 2022

By WORLD SHOP BOX

20 x 25 x 4 Furnace Filter, MERV 11 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 4-Pack (Actual Size: 20.47 x 25.20 x 3.98 Inch) for Capturing Dust, Smog, Pet Dander High-Efficiency Purification Multi-Layer Filtration Superior Compatibility Stable and Durable Wide Application Long-Lasting Performance Folded Item Dimensions(LxWxH): 25.20 x 3.98 x 4.33 in / 640 x 101 x 110 mm,Nominal Dimensions: 20 x 25 x 4 in,Filtration Grade: MERV 11,Plastic Body with Screws Width: 3.98 in / 101 mm,Number of Pieces: 4,Expanded Height: 20.47 in / 520 mm,Item Model Number: SEN-06,Item Length: 25.20 in / 640 mm,Plastic Body Width: 3.82 in / 97 mm,Net Weight: 14.11 lbs / 6.4 kg,Expanded Item Dimensions(LxWxH): 25.20 x 3.98 x 20.47 in / 640 x 101 x 520 mm

By Cuisinart

Waiting on my air purifier to use the filters. Regina. Boulder Creek, CA. Tue Sep 05 2023

By Quanzhou Beilun Trade Company Limited

Transform your daily bathroom routine with this Magnetic Dual Shower Head Combo. This premium system features a massive 10-inch square rainfall overhead sprayer for full-body coverage and a versatile handheld wand with 5 distinct spray modes. The standout feature is the magnetic docking bracket, which allows you to effortlessly snap the handheld unit into place without fumbling. Designed for water quality improvement, the integrated filtration system (containing KDF, VC balls, and calcium sulfite) actively removes impurities and chlorine, making it ideal for homes with hard water. The unit is user-friendly, featuring a simple 3-button diverter switch to toggle between heads and a 79-inch extra-long stainless steel hose for maximum flexibility when cleaning the tub or bathing pets. Installation is tool-free and compatible with standard G1/2" plumbing connections.

I ordered these just so that I had backup. I’m hoping this is going to be my new addition to my shower routine. Already I feel so much better when stepping out of the wetlands!. Jacob. US. Wed May 20 2026

By Glasfloss

25" H x 40" W x 4" D

For allergen filtration performance, the Glasfloss ZL MERV 11 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 11 filter features the latest in media technology to achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 11 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

By VIVOHOME

Achieving crystal clear water in your swimming pool has never been easier with advanced VIVOHOME Sand Pool Filters. It effectively removes impurities and debris, leaving your pool water sparkling clean and inviting. Enjoy a refreshing and rejuvenating swim in your pool all summer long.

I absolutely love the ease of use!! Much better than a regular filter.. Ashley. Texas. Thu Jun 18 2026

By Winix

The Winix replacement filter f cassette includes a pre-filter; true HEPA filter; advanced odor control (AOC) carbon filter. Fits winix u450 air purifier.

Replacement filters worked perfectly. Alan. Chicago, IL. Wed May 04 2022

By Air Oasis

iAdaptAir 2.0 Small Replacement Filter

Replacement filter cartridge set for the iAdaptAir 2.0 Small, Medium, Large, and Pro

This air purifier works really well. It is pulled smells and pollen from inside my house to where they do not affect me anymore. John. Austin, TX. Fri Jan 16 2026

By GHHF

Yellow

Designed for restoration, renovation, and air quality control projects, this professional-grade HEPA air scrubber helps capture airborne particles, dust, mold spores, and other contaminants in demanding environments. The 3-stage filtration system works with an integrated UV-C light to support cleaner air circulation, while the negative air capability helps create controlled work zones and reduce cross-contamination. With variable speed control, durable construction, and low-noise operation, it is ideal for water damage restoration, mold remediation, construction cleanup, basements, garages, and job sites.

I ordered this for my husband's job. We've used it one time so far and it seems to be working well. It does use a lot of electricity since we had it plugged in we received an alert from our electric company. It is quite big. The picture make it looks smaller. I'd suggest adding a picture that would help show its size. Thank you. Anonymous. Mon Dec 08 2025

By VEVOR

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

By Filter King

By Air Doctor

Genuine AirDoctor 3000 and 3500 Replacement Filters AIRDOCTOR AD3500 Universal Genuine Replacement Filters. Our AIR Doctor Universal Genuine Ultra hepa filter fits in both our AirDoctor AD3000 and AD35000 units. It is a powerful air cleaner designed to capture ultra-fine PM 2.5 particles from the air at 0.003 microns. That is 100 times smaller than the HEPA standard thus much more powerful than most other premium HEPA filters! With the AirDoctor we provide professional UltraHEPA filtration whether you are looking for home air purifiers that are superb for offices classrooms hospitals, etc. Before replacing the UltraHEPA or carbon/gas trap/VOC filter of your AirDoctor air purifier, turn off and unplug the unit from the electrical outlet and read all safety instructions and important warnings in this owner’s manual. Customers who purchased this item also purchased: AirDoctor 3500, AD3500, AD 3500, AirDoctor AD 3500, AirDoctor 5500, AirDoctor AD 5500, AirDoctor 2000, AirDoctor AD2000, AirDoctor 1000