The ETD series range of air pumps ensures that there is plenty of water movement in wastewater applications; this boosts oxygen levels in the water, allowing aerobic bacteria to decompose. The ETD series offer high flow from a small footprint, and offer a useful alternative to expensive and noisy rotary vane.

enviro® ETD SERIES




150 l/min (0.15 bar)

18mm Connector Size


200 l/min (0.15 bar)

18mm Connector Size


  • Low cost, exceptionally reliable with long service intervals.

  • High performance for the size of the unit.

At Charles Austen we recommend that enviro pumps are serviced at least every 18 months, service kits for each pump can be purchased from us. Sign up to our service reminder and we'll remind you when it is due! - Service kits coming soon.



Wastewater & sewage treatment systems are typical applications for the enviro® range, this can span from domestic to commercial tanks. Our wastewater division offers a multitude of pumps and accessories, ideal for breaking up sewage water in septic tanks.