Dual Union Check Valve 2.0

The Dual Union Check Valve 2.0 allows for professional plumbing connections inside your aquascape skimmer and Pondless water vault systems.

  • Connects your pump with the water feature, stream or waterfall plumbing
  • Universal application due to reversible fittings
  • Stops backflow when pump is switched off
  • Makes maintenance quick and easy
  • Heavy duty flapper provides longevity


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