NIBCO 4 in. PVC DWV Hub x Hub Coupling Fitting C4801HD4 - The Home Depot
Canplas 193025 PVC DWV Reducer Coupling, 4 x 2-Inch - Pipe Fittings - Amazon.com
Fernco 4-in Schedule 40 PVC Compression Coupling in the PVC Pipe & Fittings department at Lowes.com
Charlotte Pipe 4-in PVC DWV Repair Coupling in the PVC DWV Pipe & Fittings department at Lowes.com
Fernco XL 1056-442 Flexible Pipe Coupling 4” CI/Plastic/Steel to 4” CI/Plastic/Steel - Amazon.com
NDS PVC S&D Increaser/Reducer Coupling, 3 in. Hub X 4 in. Hub 4P07 - The Home Depot
Charlotte Pipe 4 in. PVC DWV Coupling PVC001001400HD - The Home Depot
NIBCO® 4" Hub PVC Coupling DWV at Menards®
Supply Giant 6I49x4 Flexible Coupling, 4", Black, 4 inch - Amazon.com
Charlotte Pipe 4 in. ABS DWV Hub x Hub Coupling ABS001001200HD - The Home Depot
Fernco XL 1056-442 Flexible Pipe Coupling 4” CI/Plastic/Steel to 4” CI/Plastic/Steel - Amazon.com
3 Inch Fernco 1056-33 Flexible Coupling
Pipe Fittings - Stainless Steel Full Coupling - 4" NPT 150# 304
NDS 4-in PVC Sewer and Drain Coupling in the Sewage Pipe & Fittings department at Lowes.com
Electrofusion Coupling 4" IPS 230psi - Hdpe Supply
Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp - Hydraulic Couplings - Amazon.com
4PCPREPAIR :: PVC Slip Coupling, 4" :: PLATT ELECTRIC SUPPLY
4 inch Slip x Slip Coupling PVC Schedule 40 Pressure Fittings - FaucetDepot.com
3000-44 - Fernco 3000-44 - 4" x 4" ProFlex Coupling (Cast Iron to PVC, Steel or Extra-Heavy Cast Iron)
Fernco 4 in. x 2 in. DWV Flexible PVC Coupling P1056-42 - The Home Depot
469 Eaton 4" STL Emt Set/Screw Coupling
2 Inch Fernco 1056-22 Flexible Coupling
Charlotte Pipe 4-in PVC DWV Coupling in the PVC DWV Pipe & Fittings department at Lowes.com
