Blue Diamond ET60 septic air pump aerator is most commonly used in 500 gpd aerobic septic systems. This Enviro linear air blower/aerator is designed for use in residential aerobic treatment units/ATUs. Other applications include pond aeration, hydroponic grow systems, compost brewers and packaging machines.<br><br> Suited to intermittent and continuous duty applications, this pump features:<br> * Green drive technology -- energy efficient motor with low power consumption<br>* Specially formulated diaphragm material for extended life<br>* Flow rate up to 60 liters per minute<br>* No wearing parts - no reduction in performance<br>* Robust and compact construction - weatherproof<br>* Whisper quiet operation as low as 40db<br>* 2 year warranty<br><br>This Blue Diamond ET60 aerobic septic air pump is used by original equipment manufacturers of NSF certified residential sewage treatment systems. It is UL and CE approved, and it is easy to service with a competitively priced spares kit.<br>