Oatey 43905 ABS Backwater Valve, 4-Inch
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<b>[Product Information]</b><br>
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<li>Protects low areas or basements from backflow or waste from street sewers.</li>
<li>Elastomeric seal in quick action flapper ensures a water tight seal.</li>
<li>Threaded access cap incorporates a neoprene seal for positive sealing and can be tightened or removed by hand.</li>
<li>Valve hub fits DWV pipe and can be adapted for sewer and drain pipe.</li>
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