White PVC Swing Check Valves, Female Threaded Ends (FPT) Size:1-1/4" FPT and you wish you had

and you wish you had one

nitrogen and ammonia levels

reducing back-pressure on the pump

extreme temperatures or chemical shock

0 cfm / 28 Lpm 3lb AS1250 1

White PVC Swing Check Valves, Female Threaded Ends (FPT) Size:1-1/4" FPT and you wish you hadCheck valves are essential when using a waterfall filter in conjunction with a pond skimmer. The check valve will prevent water in the filter from back flowing into the skimmer when the pump is switched off and keep water in bogs when the pump is turned off and other purposes. Check valves are also essential when an external pump is being used. The check valve prevents the water from draining back into the pond or reservoir, keeping the external pump