Hayward SP1500UNPAK2C 1-1/2-Inch Socket by 2-Inch SLIP Flush Union Connectors Pak Replacement for select Hayward Pumps/Filters and Chlorine FeedersBrand: Hayward Color: Hayward SP1500UNPAK2C 1 1 2 Inch Socket by 2 Inch SLIP Flush Union Connectors Pak Replacement for s Features: Flush union connectors Fits Hayward Perflex extended cycle DE, Pro series top mount sand and XStream Filtration series above ground Full Flo pool and spa filters Also fits Hayward Power Flo Matrix above ground pumps and CL100 CL200 chlorine feeders Includes 2 pieces per set It has 1 1 2 inch socket by 2 inch slip end