Hayward SPX1500NYA Tube Sheet Bolt Set Replacement for Hayward Perflex Filter and Astrolite Pool Tube sheet bolt set replacement Fits hayward perflex extended-cycle d.e. filter models ec65, ec65a, ec75, ec75a, ec50a, ec50ac, ec30, ec40, ec50c80x5s Also fits hayward astrolite pool lighting model sp0584sl100 Includes tube sheet nut and screw