InSinkErator filtration system #F-201. The only water filtration system designed specifically for instant hot water dispensers. System reduces chlorine taste and odor and is listed under NSF® Standard 42 so you can be assured of its performance. Quick-connect plumbing fittings make installation a snap and the sanitary quick-change filter cartridge is replaced in only seconds! This system is ideal for use virtually anywhere filtered water is needed, such as with ice makers and refrigerators. Valve-in-head design automatically shuts off water flow when filter cartridge is removed, eliminating need for separate shut-off valve. 6-12 month expected filter life, depending on water quality on use. Standard with all Series 2200 & 1100 instant hot water dispensers & available to add on to the rest of the InSinkErator hot water dispenser lines. Low pressure drop filter design assures consistently flawless performance.