White PVC Swing Check Valves, Female Threaded Ends (FPT) Size:1-1/4" FPT non-wax-based plastic media that comes

non-wax-based plastic media that comes pre-seeded with natural bacteria so that it starts working within 2-4 weeks of installation

fish hatcheries and game fish ponds

Corn Gluten Meal

Manufactured with brown Adamantine Spar (corundum/alumina) under ultra high temperature and pressure

Connects the pump to water feature plumbing

White PVC Swing Check Valves, Female Threaded Ends (FPT) Size:1-1/4" FPT non-wax-based plastic media that comesCheck 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