Diaphragms are the moving part within the O2 Air Machine pond air pump and over time will stretch and can split, reducing the output of the air pump.
This Genuine replacement diaphragm for the O2 8000 Air Machine pond air pump from Pond One is made from a japanese silicone rubber for excellent reliability and life expectancy.
Tip: Check the flapper valves when replacing diaphragms, they can wear and also reduce air outpump. Flapper valves are small rubber flaps located inside the housing that fits over the diaphragm.
