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Sale!6" Coupler connects to a corrugated pipe to a PVC/SCH 40 and thin-walled PVC Pipe.
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This fits existing storm drain sleeves. 4" x 6" PVC Hub x Hub Reducer Coupling is used to connect 6 in. sewer and drain pipe to 4 in. sewer and drain. Use it in conjunction with the French Drain Man 4" Corrugated Pipe Adapter to 4" PVC.