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The WaterPik IR-20, IR20 compatible water filter cartridge utilizes high density polypropylene to filter out rust and sediment. The IR-20 is a 5 micron filter for fine particulates. The IR-20 is NSF standard 42 certified for the Class V Particulate reduction in WaterPik models IF-20A and IF-20.
The WaterPik IR-20 compatible filter fits Model InstaPure IF-20A, IF-20, K-50 and most standard filter systems including the Ametek, Culligan, Cuno, Omni, Aqua Pure, Keystone, Filterite, Moen, Peerless, Purity Plus and Pollenex.
The WaterPik IR-20 compatible water filter cartridge lasts for up to 6 months or 30,000 gallons each cartridge depending on water quality and usage.