Culligan PR-3 Replacement Cartridge, Single Unit, White Replacement filter cartridges For use with the Culligan PIT-1 pitcher Reduces bad taste and odor, chlorine taste and odor, sediment, Mercury, Copper, Zinc and particulate class 5 Reduces bad taste and odor, Chlorine taste and odor, sediment, Mercury, Copper, Zinc and Particulate Class V Replacement cartridge for Culligan PIT-1; also fits most Brita and PUR pitcher filtration systems Package of 3 50 gallon capacity or 2 months Cartridge change reminder sticker included