Aquascape Check Valve Dual Union 3″

Aquascape Check Valve Dual Union 3″ – Just The Check Valve. 
The Aquascape Dual Union 3-inch Check Valve effectively prevents backflow in ponds and water features while providing a professional pump and plumbing connection inside filters and waterfall vaults.The Aquascape Dual Union 3-inch Check Valve effectively prevents backflow in ponds and water features while providing a professional pump and plumbing connection inside filters and waterfall vaults.