Flexible Coupling, For Pipe Size 4" x 2": Industrial Pipe Fittings: Amazon.com: Industrial & Scientific
Dakota Supply Group | Fernco® 1002-46RC 1002 RC Strong Back Repair Coupling, 4 x 6 in Nominal, Clay x Cast Iron/Copper/Lead/Plastic/Steel End Style, Domestic
Fernco 6 in. x 4 in. Flexible PVC Coupling P1056-64 - The Home Depot
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Fernco 4 x 6 in. Fernco 1002-46 Flexible PVC Pipe Coupling for Clay to Cast Iron, Plastic or Steel Plumbing Connections, Black 1002-46 - The Home Depot
Fernco 6" Clay x 4" Cast Iron/Plastic Flexible Coupling at Menards®
1002-46RC - Fernco 1002-46RC - 4" x 6" Strong Back PVC Shielded Coupling (Clay to Cast Iron, PVC, Steel, Lead)
Flexible Pipe Coupling, Connects Clay Pipe to Cast Iron/Plastic, 6 x 4-In. | eBay
Fernco BR-64 O-Ring
Flexible Couplings and Adapters | Fernco - US
Fernco 6 in. x 4 in. Flexible PVC Coupling P1056-64 - The Home Depot
Amazon.com: Fernco Inc. GIDDS-301131 P1002-64 Cast Iron Or Plastic Coupling, 6-Inch Clay to 4-Inch, Black : Industrial & Scientific