Apex RF-3021 Chlorine 3 Stage Whole House Water Filter Replacement Cartridges

Compatible with any 20″ x 4.5″ Whole house systems. The first stage high capacity polypropylene 20″ X 4.5″ sediment filter – Extracts suspended materials such as sediment, rust, insects, and other particles down to 5 microns. This cartridge also extends life of other, more expensive cartridges and prevents damage. Material and components comply with NSF/ANSI Standard 42, acid washed, high performance Organic coconut shell activated 20 X 4.5 carbon Block Filters at Second & Third Stages absorb heavy chlorine byproducts such as chloramines, THM, and TCE. The double carbon briquettes filter out organic matter from water without release of carbon fines. Also this carbon block removes volatile organic compounds (VOCs), insecticides, pesticides and industrial solvents. Both filters have a capacity of 100,000 gallon of water to supply one full year of clean water for a family of four. The APEX RF-3021 pre-filter set provides a simple, yet highly effective solution to supply your entire home with fresh, clean water for drinking, cooking, bathing and cleaning. Water passes through three stages of filtration to remove sediment, chlorine and sources of unpleasant odors and discoloration. With its wide cartridge design, this filter system can meet the needs of apartment buildings and large homes with ease. Not just for residential use, this system is also an excellent choice for larger office buildings, medical offices and food service businesses. Cartridges are engineered to allow for the quickest possible changes to keep maintenance demands to a minimum.