White PVC Swing Check Valves, Slip Ends (SLIP) Size:4" Slip weight-bearing bridges are actually functional

weight-bearing bridges are actually functional

Suction Starter cap opens for easy priming of suction line

24 240gph 4

which adds more surface area and provides a non-abrasive area for bacteria

Then just open the shut-off valve to back flush the Savio pond filter

White PVC Swing Check Valves, Slip Ends (SLIP) Size:4" Slip weight-bearing bridges are actually functionalCheck 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