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  • Blue Diamond Aeration Pumps and Diffusers

Perfect for ponds, septic systems and storage tank aeration.

The ET 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. When used in medical applications, the ET series provides a high low at low pressure.

• Green drive technology - energy efficient motors low power consumption.
• Specially formulated diaphragm material for extended life.
• Due to no wearing parts no reduction in performance.
• Robust and compact construction – weatherproof.
• Easy to service with competitively priced spares kit.
• Suited to intermittent or continuous duty applications.
• Used by original equipment manufactures of NSF certified residential sewage treatment systems.


Max Flow: 2.12 cubic feet per minute
Max Pressure: 0.17 bar
Weight: 6.0 kilograms
Dimensions (LxWxH): 7.99" x 6.49" x 6.02"
Connector Size: 0.71"
Power: 55W


• Max Flow: 4.24 cubic feet per minute
• Max Pressure: 0.10 bar
• Weight: 9.5 kilograms
• Dimensions (LxWxH): 10.43" x 8.36" x 7.79"
• Connector Size: 0.71"
• Power: 90W


We have a great selection
of quality diffusers in stock.