Hayward GLX-CELL-5 TurboCell Salt Chlorination Cell for Above-Ground Pools up to 20,000 Gallons Replacement Salt Cell for above-ground pools up to 20,000 gallons Works with Hayward Goldline AquaTrol salt chlorination systems UL-listed and independently certified by the National Sanitation Foundation (NSF); independently certified for safe use with Hayward salt chlorinators and automation systems Superior value and longer life than low-cost generic cells. 3 year warranty