Zodiac W28001 DuoClear Replacement Cartridge

W26001/W28001 Zodiac DuoClear Nature2 Replacement Cartridge Water Clarifier 35KFactory OEM DuoClear W26001/W28001 replacement cartridge for the DuoClear salt water chlorinator which provides the best water quality possible. For pools up to 35,000 gallons. DuoClear needs less chlorine to sanitize your pool which means less potential for stinging eyes, skin irritation and unpleasant chemical odors. DuoClear creates synergy between Nature2 mineral technology and Clearwater™ salt water chlorination. The Nature2 technology allows you to use low chlorine levels to effectively sanitize your pool water.Shipping included in the continental U.S.