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Amazon.com: Fernco PROFLEX P3000-43 Shielded Pipe Coupling for Cast Iron, Plastic, Steel or Extra Heavy Cast Iron Plumbing Connections : Industrial & Scientific
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Amazon.com: 4" x 4" ProFlex Coupling (Cast Iron to PVC, Steel or Extra-Heavy Cast Iron) : Industrial & Scientific
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Amazon.com: Fernco PROFLEX P3001-22 Shielded Pipe Coupling for Cast Iron, Plastic, or Steel to Copper Plumbing Connections : Industrial & Scientific
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