Zodiac - Zodiac Swimpure 3" 25K Single

Create cleaner and softer feeling water using the Nature 2 SwimPure Purifier Cartridges for Hayward 3" Water Purifier Cartridge Filter Insert. Compact and easy to install, the Nature 2 SwimPure Purifier Cartridges for Hayward Cartridge Filter Insert is placed inside the filter and immediately goes to work. Minerals like copper and silver are released to attack and destroy bacteria and algae, leaving you with purified water thats always swim ready. Perfect for pools up to 25,000 gallons, the filter requires little to no maintenance and replacing it every six months will help your water remain irritant-free and safe for all users.

See Owner's Manual for details