Description
Replacement Diaphragms For HI Blow 60/80
This is a pair of diaphragms mounting blocks for the HP60 or the HP80. Both diaphragms should be replaced at the same time. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump.









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