Airmax AM60 Aeration System - 2 Plate - 200' 3/8" Airline The Airmax AM60 Aeration System works great to aerate ponds up to 2 acres in size. Compressor Specs: 1/3 HP, 5 Amps, 115 Volts, 4.0 CFM, Max Depth 30', Cost Per Month to run is $28.98 (24/7)