The Hiblow HP-80 air pump is whisper quiet, energy efficient and the longest lasting linear diaphragm pump on the market. The HP-80 provides aeration for septic aerobic treatment units (ATU's), koi ponds, small garden/ residential ponds, aquaculture systems, hydroponics systems and aquaponics systems. The HIBLOW HP-80 is a compatible replacement for the Gast SPP-80, Thomas 5078S, Medo LA-80, Secoh EL-80-15 and other 80 LPM air pump units.