Hayward 36" Sand Filter S360T2 Pro Series high-rate sand filters are the very latest in pool filter technology. Molded of durable, corrosion-proof polymeric material, they feature attractive, unitized tank construction for years of trouble-free operation with only minimal care. Pro Series sets a new standard for performance, value and dependability. Applications In-ground pools of all types and sizes In-ground spas (residential or commercial) Water features (fish ponds, fountains, water gardens) Features ...