The Plumber's Choice 6 in. Heavy-Duty Stainless Steel No Hub Shielded Pipe Coupling with Clamps NHCS6 - The Home Depot
Supplies Depot: 6 inch Style 38 Dresser Coupling 00389058011
Smith Blair Long Style Quantum Coupling, 6 inch Pipe, 12 inch Long - Par West Turf
Charlotte Pipe 6-in PVC DWV Hub Coupling Fitting for Sanitary Drain, Waste, and Vent Applications in the PVC DWV Pipe & Fittings department at Lowes.com
PVC 6" x 6" Flex Coupling & Shear Ring (CI/Plastic x CI/Plastic) - The Drainage Products Store
6" ERA Sch 80 PVC Straight Coupling - Socket x Socket
Amazon.com: Supply Giant 6I5I Flexible Pvc Reducing Coupling with Stainless Steel Clamps, 6 x 4 Inch, Black : Industrial & Scientific
Pipe Fittings Direct. 6 inch class 150 full coupling Cast 316 Stainless Steel
Fernco 6-in. Flexible PVC Coupling for Clay Pipe to Plastic, Cast Iron, Steel, Copper, and Lead Pipe in the PVC Pipe & Fittings department at Lowes.com
Amazon.com: Supply Giant 6I4Ix2 Flexible Pvc Coupling with Stainless Steel Clamps 6 inch Black (pack of 2) : Everything Else
6" Compression Coupling | NDS
Charlotte Pipe 6 in. PVC DWV Socket Coupling PVC00100600HD - The Home Depot