Hayward SX180K Filter Base with Screws and Washers Replacement for Select Hayward Sand Filter Filter base replacement Fits hayward pro series sand filter models s180t, s210t, s220t, s220t2, s230t, s244t, s244t2, s270t Also fits high-rate sand filter models s170tscpe, s190tscpe, s190tscpft, s190tscpt Also compatible with Hayward S210T1580 series sand filter Weighs 37.7-pound