Dual Union 3" CVA Check Valve SACK-MULCH The system helps to control

The system helps to control algae growth throughout the entire system (up to 25

aquatic plants

The transformer includes a quick-connect fitting and 25′ of extension cable

Works above 40°F (5°C)

Dual Union 3" CVA Check Valve SACK-MULCH The system helps to controlThe Dual Union 3" CVA Check Valve effectively prevents backflow in ponds and water features while providing a professional pump and plumbing connection inside filters and pump vaults. The heavy duty check valve flapper is built to last and maximizes water flow through the valve when open while preventing the backflow of water when the pump is shut off or during a power outage. Union connections on both sides of the valve make pump and filter