Kasco 2 HP Surface Aerator, 230 volt Liner Installation Supplies Works with all EPDM rubber

Works with all EPDM rubber liners

then it is the IAF Filter

5 *Amps measured at 10‰۪ operating depth

The pressure relief valve protects the compressor from excessive  backpressure if there is some sort of blockage in the airline or diffuser

Kasco 2 HP Surface Aerator, 230 volt Liner Installation Supplies Works with all EPDM rubberThese aerators are designed for continuous duty and are used when the water is too shallow for bottom diffuser aeration systems. They also are especially useful at controlling surface algae and duckweed with their high circulation rate. Contact us for recommendations. Each Surface Aerator comes with automatic resetting thermal overload protection, 50 Through 200 foot power cord and anchor ropes. Additional lengths of power cords are available please