Blue Diamond-ET40 Septic or Pond Linear Air Pump – 3,500 Gallon Ponds

Product Code: Blue-Diamond-ET_40

Availability:Out of stock


  • Boosts Septic Waste Decomposition: By adding clean, oil free oxygen to septic system wastewater, Blue Diamond's Enviro ET 40 air pump encourages aerobic bacteria to decompose organic matter. Its weatherproof and sturdy design makes it an excellent wastewater pump. It is also effective in a pond
  • Operates Quietly: This air pump produces little sound, 40 decibels. It uses 30 watts of electricity and has a maximum air flow of 1.41 cubic feet per minute. Its maximum pressure is 0.15 bar
  • Easy To Install And Service: Simple to put in place, this pump comes complete with fittings. It is easily serviced with replaceable diaphragm kits (sold separately) for a long life
  • Perfect Size: Measuring 8.66 inches long, the pump is 6.10 inches wide and 7.48 inches tall. It weighs 9.48 pounds. Its connector has a 0.55 inch outside diameter


Blue Diamond's Enviro ET40 air pump adds the oxygen to septic system wastewater that aerobic bacteria require to decompose organic matter. The air that the pump adds is clean and free of oil. This pump also can be used to aerate pond water. Making little noise as it runs, the pump puts out a maximum 1.41 cubic feet of air per minute. Its maximum pressure is 0.15 bar. It uses 30 watts of electricity. Its connector size is 0.55 inch OD. Put the Blue Diamond Enviro ET40 air pump to work in your septic system or pond.

The Blue Diamond ET40 Pond Air Pump helps to increase the amount of oxygen in the water. Providing a clean, oil-free air source, it is exceptionally quiet in operation, as low as 40dB even when running continuously. The Blue Diamond ET40 Pond Air Pump is a versatile air pump that can be used in aquariums, ponds and certain septic applications. It is easy to service with a competitively priced service kit and is also supported by a 2-year manufacturer’s limited warranty. The weatherproof pump has a robust and compact construction, and the main body is constructed of cast aluminum alloy.

Blue Diamond-ET40 Septic or Pond Linear Air Pump – 3,500 Gallon Ponds