Complete aeration system for ponds up to 1/4 acre depending on shape and depth of pond. 1/8 hp DC12 diaphragm compressor, 1.1 cfm, 4.2 amps, aerates up to 30′ deep. The PA12WK kit includes compressor, self weighted air diffuser, 50′ of 3/8″ Quick Sink tubing, SC25 cabinet and fittings for connections.