Description
Non Return Check Valve x 2 Pack. Simple and effective protection for any pond/aquarium air pump which is situated below the water level of your pond or aquarium.
Non-return check valve, for aquarium or pond pumps will prevent water from backup up the airline and damaging your airpump in the event of a power failure.
Be sure to check out our Information Center for our Pond Blog on possible green water and algae issues!
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