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

The FC15-NC under-sink water filter offers superior chloramine reduction, utilizing catalytic carbon to remove up to 99.4% of chloramine, compared to the 40-50% removed by standard carbon filters. This filter efficiently breaks down chloramine into harmless substances and absorbs residual byproducts, providing clean and safe water. It features a compact, high-capacity 10” x 2.5” activated carbon block (CTO) filter that effectively removes chlorine, chloramine, taste, and odor. The 5-micron coconut shell carbon design enhances filtration efficiency and longevity.

The iSpring FC25B-PB Replacement Cartridge is your top choice for effective lead removal in your water filtration system. With SGS-tested media, this high-performance filter removes up to 99% of lead, arsenic (III & V), mercury, cadmium, and other heavy metals, delivering clean and safe water for your family. Equipped with advanced CTO media and patented MetSorb technology, the FC25B-PB ensures reliable performance, even in hard water conditions. Plus, it enhances the taste of your water, giving you peace of mind with every sip.

Tested by SGS, the FC15-PF water filter replacement provides advanced PFAS reduction using cutting-edge activated carbon fiber technology. It effectively reduces PFAS, colloids, particulates, chlorine, and odors, ensuring high-quality water for drinking and cooking. This compact, high-performance replacement filter measures 10” x 2.5” and fits seamlessly into most under-sink systems. Engineered for superior adsorption, it delivers a flow rate of up to 1 GPM. With its innovative design and exceptional efficiency, the FC15-PF is a trusted solution for clean and safe water in your home.

The FC15-BV under-sink water filter replacement is a versatile solution designed to maintain high water quality for recreational vehicles and other applications. Featuring a combination of pleated filter and activated carbon (CTO) technology, it removes a wide range of contaminants, including viruses, bacteria, colloids, particulates, chlorine, and heavy metals. With its standard 10” x 2.5” size, this water filter cartridge is compatible with most filtration systems and offers a flow rate of up to 1 GPM. Enjoy clean, safe water wherever your adventures take you.

Used as the second stage for iSpring Direct Connect under sink water filter system US21B and iSpring whole house filtration system WGB21B or the first stage of iSpring whole house filtration systems WGB21BM and WGB21B-PB. The carbon block filter consists of high-quality activated carbon. It is effective in reducing free chlorine, bad taste, odor, THM, organics, hazardous chemicals, and more. Depending on source water quality or flow rate, it needs to be replaced every 6 months or about 50, 000 gallons of water. Each filter is individually sealed to keep freshness. Fits models using standard 10" x 4.5" water filters.

Its working great and our water is so much cleaner and better tasting.. Marc. Mon May 11 2020