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    Aquarium Airline Anti-siphon Check ValveAquarium Supplies > Air Equipment > Air Valves |  
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    Item 66  |  
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      5 in stock now at our store
Online ordering: |  
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    For use with all aquarium air pumps. Stops water from siphoning into your air pump in the event of electrical power failure or when removing filters from aquariums. 
Instructions: Cut airline tubing between air pump and tank. Attach check valve to both ends of cut tubing.   |  
     
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