3/4 inch Check Valve, 3/4 inch Boat Bilge Pump Check Valve, 3/4" in-line one way valve, 3/4" Non Return Valve
- (1) 3/4 inch Check Valve, prevent the back flow into the circulation pump..
- (2) 3/4 inch Check Valve for Boat Bilge, prevent the back flow into into the boat bilge..
- (3) 2 stainless steel hose clamps are available for free..