Nature2 Zodiac A30 W28165 Aboveground Mineral Cartridge Sanitizer 30K Gallon

The Pool Purifier Cartridge For 5,000-30,000-gallon pools Does not fit the Nature 2 Limited (Type A) System Replacement mineral cartridge for all Nature2 A vessels Destroys bacteria and controls algae using natural minerals Reduces potential for stinging eyes, skin irritation, and unpleasant odors; helps stabilize pH levels Will not harm pool equipment or stain pool Cartridge lasts 6 months Cartridge flow rate: 10-18 GPM (internal bypass) Circulation system flow rate: 25-80 GPM Run time: 6 hours daily (minimum) Manufacturer warranty: 1-year warranty