Aquascape Dual Union 3″ Check Valve Assembly net The Filter Foams clean directly

The Filter Foams clean directly inside the filter in the pond water to preserve beneficial bacteria colonies and reduce water waste

Non-stick coated barrel

This industrial strength flexible PVC pipe is ideal for waterfall lines

The filter capacity can be upgraded by adding an additional 20 liters of Hel-X Bio-media

Aquascape Dual Union 3″ Check Valve Assembly net The Filter Foams clean directlyITEM # 29098 The 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 waterfall 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