Fernco 1056-43W Reducing 4" x 3" Flexible Pipe Coupling Socket Plumbing Plastic PVC ABS, Cast Iron, Lead in White - Walmart.com
Uxcell 3/4 Inch UPVC Elbow Fitting 6 Way PVC Pipe Fittings Connector Furniture Pipe Joint - Walmart.com
Value Collection - Malleable Iron Pipe Coupling: 3″ Fitting - 36995181 - MSC Industrial Supply
Charlotte Pipe 2-in x 3-in PVC DWV Adapter Coupling in the PVC DWV Pipe & Fittings department at Lowes.com
Amazon.com: FangKingNo10pcs 3/4" White PVC Pipe Coupling Adapter Pipe Fittings (Slip to Slip) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use (1 Pack of 10pcs) (0.75 Inch) :
3-inch S&D PVC Fittings - PVC Pipe & Fittings - The Home Improvement Outlet
NIBCO 3 in. ABS DWV Hub x Hub Coupling Fitting C5801HD3 - The Home Depot
Schedule 40, 3 in x 3 in Fitting Pipe Size, Coupling - 1WKH4|1WKH4 - Grainger
Black Pipe Fittings - 3" NPT Banded Coupling, 150# UL/FM
3 inch PVC DWV x Cast Iron Adapter Coupling, DWV Spigot x Cast Iron No Hub | Buy DWV Couplings & More at Southern Pipe & Supply
Advanced Drainage 0315AA Pipe Coupling, 3 Inch Male By Barb, Polyethylene: Corrugated Drainage Couplings & Outlets (096942635219-1)