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Air Check Valves

Protect your pond aeration system with an air check valve. Check Valves are used to prevent water from draining back into the air pump when the air pump is turned off. Underwater Warehouse has a large selection of check valves for small to large aeration systems.

  • Check Valve - 3/4" FPT

    Check Valve - 3/4" FPT

    Check Valve - 3/4" FPT This check valve installs on the inlet side of the rotary vane compressors. Installs between compressor and inlet air filter. Prevents back flow of water in air lines. Also used for air diffusers. 3/4" FPT Recommended...

    $13.50
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