Swing (Flapper) Check Valves

$21.99 - $27.99
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Swing Check Valves for Aquarium Plumbing

No more worries of flooding during power outages!

  • Prevents water from back-syphoning and flooding your sump
  • Can be used to place return pipes under water for better circulation
  • Made out of non-corrosive material

High quality Clear "flapper" swing check valves (slip).