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Jones Stephens B04301 is a flapper designed for three-inch PVC backwater valves. It features a built-in gasket that ensures a proper seal, preventing backflow effectively.
This flapper is an essential component for backwater valves, helping to maintain proper flow direction and prevent sewer backups.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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