Oatey 43904 PVC Backwater Valve, White, 4 Inch

4 in. PVC backwater valve Protects low areas or basements from backflow or waste from street sewers Elastomeric seal in quick action flapper ensures a water tight seal Threaded access cap incorporates a neoprene seal for positive sealing and can be tightened or removed by hand Valve hub fits DWV pipe and can be adapted for sewer and drain pipe, Weight: 4.25 Pounds, Manufacturer: Oatey