[Protect Your Family and Household Appliance from Sediment, Chlorine, and More] Say goodbye to smelly, bad tasting water! Our filters are specially designed to remove up to 99% of chlorine from water as well as sediment, rust, herbicides, industrial solvents, and various other contaminants. [DIY Installation and Maintenance] Refer to our manual and our helpful YouTube videos for DIY installation. Water flow: up to 15 GPM. Our filter set fits standard 20 x 4.5 housings, including brand name models. The first stage polypropylene sediment filter is able to achieve filtration down to 5 microns. The second and third stage CTO Carbon Block filters are made of coconut shell carbon to increase filtration efficiency and extend filter life. Both are tested by an independent third-party to meet NSF/ANSI standards. Both filters have a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help! [Please Note] The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. Unlike an RO membrane, the filters dont reduce Total Dissolved Solids (TDS). If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems. Located in Alpharetta, Georgia for over a decade, iSpring Water Systems LLC is a family-owned company specializing in water filtration systems. We aim to make high-quality drinking water accessible to all households. Stage 1: Sediment Filter. Used as the first stage of defense on the system, the filter achieves filtration down to 5 microns and removes dirt and other various larger-sized particles that may clog the following filters from the water. Stage 2: CTO Carbon Block Filter. The second stage houses a 5-micron CTO coconut shell carbon block filter. It uses high-quality coconut shell carbon and highly compact fabrication tech for maximum filtration efficiency and filter life. Stage 3: CTO Carbon Block Filter. Knocks out residual bad tastes and odors. Two CTOs combine to deeply remove up to 99% of chlorine and are highly effective on organic chemicals like pesticides, herbicides and industrial chemicals. Safe Water For the Ones You Love. The filter set is able to remove up to 99% of chlorine from water as well as sediment, rust, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants. All filters have a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year (depending on your water quality). Save on your water bill – the filters wont produce any wastewater. The filters are specially designed for a high water flow: up to 15 gallons per minute. Fits iSpring 3-stage whole house systems or any 20 x 4.5 filter housings. Unlike an RO membrane, the filters dont reduce Total Dissolved Solids (TDS), and instead keep healthy minerals in your water. The item “ISpring F6WGB32B 4.5 x 20 Whole House Water Filter Replacement Set” is in sale since Tuesday, June 8, 2021. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “ispringwatersystems” and is located in Cumming, Georgia. This item can be shipped to United States.