<B>Oatey 43904 4" PVC Backwater Valve Review</b><P>http://tinyurl.com/pp3lxsg <P><P> Oatey 43904 4" PVC Backwater Valve <P>1-1/2-Inch or 2-Inch, 6-Inch x 6-Inch Utility Drain � Fits over 1 1/2-Inch Sch. 40 DWV pipe or into 2-Inch coupling<P>Protects low areas or basements from backflow or waste from street sewers.<P>Elastomeric seal in quick action flapper ensures a water tight seal.<P>Threaded access cap incorporates a neoprene seal for positive sealing and can be tightened or removed by hand.<P>Valve hub fits DWV pipe and can be adapted for sewer and drain pipe.<P>
