Aeration system for ponds up to two acres depending on shape and depth of pond. 1/4 hp Rocking Piston SRC25 compressor, 2.3 cfm, 1.7 amps, aerates up to 50′ deep. The PA34-2 kit also includes ( choice of two or none) QS1 Quick Sink air diffusers and dual valved outlet assembly with pressure relief valve – kit does not include tubing, order 3/8″ tubing (weighted or unweighted) as needed. PA34-2 is ideal for aerating long, narrow ponds or two small ponds with one compressor.