Hydro-Action HAL50-9901 Septic Air Pump

Hydro-Action HAL50-9901 Septic Air Pump

Also known as an air pump or air compressor, septic aerators are required for every aerobic septic system. Septic aerators pump air into a water treatment tank, supplying helpful bacteria with the oxygen they need in order to process your waste.

This HAL50-9901 alternative septic aerator/air pump is a suitable replacement for a damaged or broken Hydro-Action HAL50-9901 air pump.


  • 100 Liters of air per minute
  • 4.5 psi Max Continuous Operating Pressure
  • 36 dBA @ 1 meter
  • Quiet operation
  • Long life

You (the customer) are responsible for making sure you are following all applicable laws and regulations in your area before replacing your septic air pump yourself. Hydro-Action is a trademark of A.K. Industries, Inc. Under no circumstances is Wholesale Septic Supply representing to the general public that it is an Authorized Distributor, Dealer, or is affiliated with those companies with whom we make product comparisons or with any products we sell.


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