TurboCell CYANCLIFF T-CELL-15 40,000 Gallon Salt Water Pool Chlorinator System. It has been used, but only for 1 season & is still in great condition. These are amazing, in my opinion salt water pools are definitely worth the investment. -Compatible with Hayward, Goldline AquaRite, SwimPure Plus, AquaRite XL, Aqua Logic, Pro Logic brands -Normal Salinity: 2800-4500 PPM -Filters out small twigs, hair, debris, sand, small leaves -Won’t irritate eyes, fade fabrics, dry out skin, cause hair damage, or chlorine odor