· T-15 Salt Cell: This battery replacement works perfectly with underground pools of up to 40,000 gallons. Replace your original Hayward parts directly - no modifications required· Wide compatibility: T15 Salt cell are compatible with Aqua Rite, Aqua Logic, Pro Logic, and SwimPure Plus systems. Smart plug and play design recognizes your existing setup for easy installation· Automatic water Maintenance: This T-15 salt battery replacement boasts self-regulating technology that constantly monitors and adjusts to maintain perfect water clarity and swimming comfort throughout the season· Longer life: With high-quality corrosion-resistant titanium components and reinforced housing, 50% longer than standard salt batteries,Products include simple maintenance tools, regular maintenance effect is the best, longer service life· After-sales support and warranty: 1 year limited warranty. Our expert support team is ready to answer any questions you may have