Drain Cap Assembly, Pro-Series. Fits hayward pro series sand filter models s310t2, s270t2, s310t2, s360t2, s140t, s144t, s180t, s210t, s220t, s230t, s244t, s270t, s164t, s166t. Also fits pro series plus sand filter models s311sx, s311sxv, s360sx
2006-Current