Membrane air diffuser assembly that features a hollow base that can be filled with sand or gravel

Clean air-flow through the compressor helps safeguard your system and greatly extend its life-span

To maximize the performance of this beneficial bacteria

5” openings protect fish from predators like heron

Atlantic Water Gardens Replacement Net for PS15000 pump parts Membrane air diffuser assembly thatAtlantic Water Gardens Replacement Skimmer Net for the PS15000 The NT15000 Replacement Net is specifically designed to fit the PS15000 Skimmer. By collecting debris inside the Skimmer before it reaches the pump, the NT15000 Replacement Net prevents pump clogging and keeps your Skimmer running smoothly. The NT15000 Replacement Net is a trapezoid shape with a top width of 23", a bottom width of 21", and a height of 17". FEATURES Skimmer nets collect