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Pet Worx

AH21-1

Single Airline Check Valve 4mm Aquarium

Single Airline Check Valve 4mm Aquarium

  • single one way airline check valve.

  • Check vavles are used to prevent water syphoning back down the airline to the air pump and preventing damage to your airpump. This usually happens when your airpump is located below the waterline and there is a loss of power to the airpump.

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