Pentair 32185-7074 Drain Cap Replacement for Select Sta-Rite Pool and Spa Aboveground Filter Drain cap replacement Fits Sta-Rite PXC pool and spa aboveground cartridge filter system Fits with Sta-Rite PRC pool and spa aboveground cartridge filter system model PRC50, PRC75 Also fits with Sta-Rite Posi-Clear PXC series pool and spa cartridge filters model PXC75, PXC95, PXC125, PXC150 Drain cap comes with gasket, washer and O-ring