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Pond One Replacement Diaphragm For O2 4000 Pond Air Pump - 2 Pack

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  • Free UK Delivery when you spend over £39.99
£7.99 (Delivery from £3.95)
Item in Stock  |  Usually dispatched within 24 hours
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  • Genuine Pond One part
  • Replacement diaphragm for O2 4000 Air Machine
  • Japanese silicone rubber air pump diaphragm
  • Diameter of diaphragm 50 mm
  • 5 mm Centre hole
  • Two locating lug on edge of diaphragm

Diaphragm 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 4000 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.

  • Free Delivery on orders over £39.99
  • Postage from £3.95 for smaller orders
  • Express 24hr postage option available
  • 14 day returns
  • International Shipping on non electrical products only
We aim to ship all orders received by 12 pm the same day with the exception of fibreglass fish ponds, Gardeco products & other special order products.
The 24 hr postage option does not include deliveries at weekends or bank holidays.
For full details please follow the link Delivery & Returns
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