The ET40 air blower by Charles Austen Pumps ensures that there is plenty of water movement in wastewater applications; this boosts oxygen levels in the water, allowing aerobic bacteria to decompose. When used in medical applications, the ET series provides a high flow at low pressure.

enviro® ET40

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 ET30 

40.0 l/min (0.12 bar)

18mm Connector Size

 ET40 

 ET40 

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!

 ET80 

  • Robust and compact construction.

  • Green drive technology offers energy efficient motors meaning low power consumption​.

  • Supplied with a rubber elbow for easy fitting.

  • Ideal for large scale sewage treatment systems or pond aeration.

  • Fit for both indoor and outdoor use due to its weatherproof design.

  • Compatible with our service kits to help extend the life of the pump.

 ET200 

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ET30-200 Service packs available

Watch video procedure