White PVC Swing Check Valves, Slip Ends (SLIP) Size:3" Slip 52 lb/ft 5/8" 1

52 lb/ft 5/8" 1

The bacteria help establish and maintain a clean pond

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Covington Style - Diagonal lattice

Helix Super Strength Beneficial Bacteria has been scientifically blended and tested to produce maximum sludge-eating

White PVC Swing Check Valves, Slip Ends (SLIP) Size:3" Slip 52 lb/ft 5/8" 1Check 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