The Airmax AM60 Aeration System works great to aerate ponds up to 2 acres in size. The AM60 comes mounted and ready to install once you receive it. The AM60 is capable of pumping air to 30" of depth. Includes: Quiet, Long-Lasting & Energy Efficient 1/3 HP Piston Compressor, 30 PSI Pressure Guage to monitor back pressure, 20 PSI Pressure Relief Valve to protect the compressor from PSI over 20, Air Manifold with Adjustment Valves to ensure equal airflow to each diffuser, Rock-Like Cabinet with cooling fan to protect the compressor, (2) ProAir Self-Weighted Diffuser to aeration and circulate your pond & 200" roll of 3/8" Self-Weighted Airline. 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)