XtremepowerUS 2-Pieces Universal 1.5" PVC x 1.5" Slip Union Socket Joint Adapter Fitting Quick Connector Replacement (Male X Slip) Pool Spa PumpBrand: XtremepowerUS Color: White Features: Application Our PVC thread & union coupling is a universal fitting, best used for pool pump installation. Simply use Teflon tape (Not included) to the threaded end of the adapter and rotate the union onto the pool pump. Give a tight turn when you come to the end of the rotation to ensure a tighter fit 1 1 2" Suitable Size Our 1 1 2 NPT male threaded connector end is for 1 1 2" NPT pool spa pump connector,