Hayward now offers a new line of Turbo Cells for the Hayward Aqua Rite and Swimpure salt chlo. The W3T-CELL-15 is for pools up to 40,000 gallons. Matches Goldline/Swimpure 40,000 gallon cells. Cell in the world. Right-sized for new and existing swimming pools up to 40,000 gallons. Save up to 50% or more compared to conventional chlori. Delivers two times more chlor. Than than non-genuine Hayward salt cells. Certified by The National Sanitation Foundation (NSF). For use with Hayward salt chlori. Systems and compatible with Hayward automation systems.