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Fernco 4-in. Ideal Flexible Neoprene Coupling Fittings for Cast Iron Pipe - Quick and Simple Connection in the PVC Pipe & Fittings department at Lowes.com
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Standard Coupling, Size 3/4 Inch, Length 1-5/8 Inch, Outer Diamet | Crescent Electric Supply Company
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Charlotte Pipe 4-in PVC DWV Hub Coupling Fitting - Join and Extend Pipes - NSF Safety Listed in the PVC DWV Pipe & Fittings department at Lowes.com
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Fernco 1056-44 4-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections, 2-Pack - Amazon.com
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Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp - Hydraulic Couplings - Amazon.com
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