Charlotte Pipe 6 in. PVC DWV Socket Coupling PVC00100600HD - The Home Depot
Charlotte Pipe 6 in. x 4 in. PVC Schedule 80 S x S Reducer Coupling PVC 08100 7600 - The Home Depot
Plastic Pipe Coupling, PVC, 6 inch x 6 inch, Hub x Hub, Schedule 40
6" PVC Coupling | NDS
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