Aqua-Pure AP903 Whole House Water Filter – The CUNO Aqua-Pure AP903 Water Filtration System is a single cartridge system which helps provide consistent high quality water for whole house filtration at flow rates up to 20 gpm. The CUNO AquaPure AP903 56211-02 includes the stainless steel head, sanitary quick change cartridge, and locking latch. The AquaPure AP903 die-cast zinc locking latch helps prevent the possibility of the cartridge backing out based on varying water pressures or surges. The CUNO AP903 filter is easily changed by unscrewing the old filter and screwing the new filter in. No special tools are needed. The 3M Cuno AP903 reduces sediment and chlorine taste and odor for up to 100,000 gallons while providing unrestricted flow with 1″ NPT connections. Reducing sediment, dirt and rust helps prevent build-up in plumbing and fixtures, thereby extending the life of appliances that use water such as water heaters, dishwashers and clothes washers. The Cuno AquaPure AP903 can help improve the efficiency of your water heater by up to 27% by reducing sediment. AquaPure AP903 is ideal for larger homes and light commercial applications. Sanitary Quick Change (SQC) design allows for fast and easy cartridge change-outs without the need of a filter wrench. The CUNO Aqua-Pure AP903 Water Filtration System is manufactured from FDA CFR-21 compliant materials. The 3M High Flow SQC is one of the industry’s most advanced water filtration systems. The AquaPure AP903 Whole House Filters improve all incoming water which helps to provide better drinking water, cleaner dishes, brighter clothes, cleaner skin and shinier hair. The Cuno AP903 Water Filter System features a 304 stainless steel hed which allows for “sweat in place” installation and is a non-corrosive material. There is a 25 year limited warranty on the stainless steel head.