White PVC Swing Check Valves, Female Threaded Ends (FPT) Size:1-1/4" FPT each bead has been injected

each bead has been injected with air during manufacturing

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

Thermal protection is built into all SP pumps to ensure that the pump will protect itself from thermal damage

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

The popular United Aquatics Blue Heron Decoy is designed to take advantage of the fact that herons are territorial in nature

White PVC Swing Check Valves, Female Threaded Ends (FPT) Size:1-1/4" FPT each bead has been injectedCheck 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