Parts2O FP0026-6D-P2 Check Valve For Sump Pump, 1.25 x 1.5-In. Quantity 10
Parts2o, Threaded 1-1/4″ Or 1-1/2″ Sump Pump Check Valve, Accepts 1″, 1-1/4″ & 1-1/2 Discharge Pipe, Prevents Water Backflow Into Sump Basin, Anti-Airlock Hole Located At Base Of Threads.