Hayward D.E.CX4220A Flanged Elbow Assembly with Check Valve Replacement for Select Hayward Filters Flanged elbow assembly replacement Fits hayward perflex extended-cycle basic and d.e. filter models i_pfppts, ec65, ec65a, ec75, ec75a, ec50c80x5s Also fits hayward check valve and star clear, xstream, easy-clear filter models sp14461s, sp1091cv, sp1445s, c250, cc10093stufft, c5501575xes Include check valve Weight 3.7-pound