The Charles Austen ET Enviro Pro Series ET100 air pump delivers reliable aeration with quiet, energy-efficient performance. Designed for use in ponds, hydroponic systems, and wastewater treatment setups, this oil-free linear air pump supports continuous or intermittent duty with no reduction in output over time. With a maximum airflow of 100 litres per minute and ultra-quiet operation at just 35dB, it’s built for consistent performance in demanding environments.

Constructed with a robust, weatherproof casing, the ET100 is easy to maintain and includes key accessories to simplify installation. It’s powered by a green drive energy-efficient motor and features a specially formulated diaphragm for longer service life. Safety features such as thermal protection and a fail-safe trip mechanism help safeguard both the pump and surrounding components.

Key Features:

Built for long-term efficiency and minimal noise, the ET100 is a dependable choice for systems that require steady, clean air delivery under continuous use.

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We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.