Hayward SX200Q Threaded Lateral Replacement for Select Sand Filter (10 Pack) Threaded lateral replacement Fits Hayward pro series sand filter models s210s, s244s, s310s, s180t, s210t, s220t, s220t2, s230t, s244t, s244t2, s270t, s164t, s166t Also fits Hayward high rate sand filter models s144t, s164t, s210t1580 Also compatible with Hayward s160t, s200, s240, s245t and s190t series sand filter