Flexible rubber allows compatibility with various piping (cast iron, plastic, copper, lead, and steel), Easy installation - only a standard flathead
Flexible Coupling Compatible with cast iron, plastic, copper, lead, and steel piping Flexible Connectors are Leak-Proof, Rot-Proof and Sealed Against
Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp
Fittings, Homebrew Finds
Tri-Clamp Gaskets Buna, EPDM, PTFE [Same Day Shipping]
Non-Metallic Hose Assemblies - Thorburn Flex Inc
Freeze Drain PumpSpy Store
8S48MM TB Wood's Sure-Flex Coupling Flange
Smith Blair Steel Dresser Coupling 1-1/2in 1.90in OD 411-00019001-003 - A. Louis Supply
Flexible Couplings and Adapters
Flexible rubber coupling to join 1.5 pipe or spigot fittings.
Flexible Rubber Fitting 1.5 Coupling with Hose Clamps
PumpSpy Dual Sump Pump Install Kit PSDPKIT1 - The Home Depot
DESO Stems, Instrumentation Quick Connects, Quick Connects, Valves, All Products
500 1-7/8BX1/2K : Magnaloy 500 HUB 1-7/8 BORE X 1/2 KEY, M50012816