Intex 52" x 22' Above ground Ultra Frame Pool. Upgraded to a 1 1/2 Hp Swimline pool pump pushing 2400 gph, 19" Sand Master sand filter, Intex SWG (salt system with E.C.O ( Electrocatalytic Oxidation)). All plumbing converted to 1 1/2 hard and soft pvc. Side wall skimmer attached for a single intake with three returns. One return being a 10 jet fountain (idea from one of the members).