NEW Pond Boss® Rocking Piston Air Compressors for Sub Surface Lake Aeration. Pond Boss® Rocking Piston Compressors. Are durable compressors mounted on a noise-dampening base for quiet operation. Includes pressure gauge, pressure relief valve, replaceable fan, air manifold and valves.Comes with base assembly, cooling fan, valve, manifold, pressure gauge, and GFCI Outlet. Perfect for DIY'ing your own aeration system or replacing a current one. Just add a cabinet or put these in an enclosure, run air line to your diffusers and start aerating! We sell Cabinets, tubing, and diffusers in our store as well! Available in 1/4 HP, 1/3 HP, and 1/2 HP. Durable rocking piston style compressor. Mounted onto a noise dampening base. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Ponds & Water Features\Outdoor Fountains". The seller is "diypondaeration" and is located in this country: US. This item can be shipped to United States.