Hiblow HP-40 Linear Septic Air Pump

The Hiblow HP-40 Linear Septic Air Pump uses very little energy and is incredibly silent. This device has one of the best operational lives on the market. The Hiblow HP-40 is utilized in small pond and water garden aeration applications, as well as in 500 GPD aerobic treatment systems.

The Gast SPP-40, Thomas 5040A, Medo LA-45B, Secoh SLL-40, and numerous other 40 LPM units can all be replaced with the Hiblow HP-40.

Which size of Hiblow septic air pump do I need?