NIBCO 2 in. x 1-1/2 in. ABS DWV Hub x Hub Reducing Coupling C5801HD2112 - The Home Depot
Charlotte Pipe 2 In. No Stop Hub x Hub Repair ABS Coupling ABS 00130 0800HA - Walmart.com
Silver-Line Plastics 3-in x 2-ft ABS DWV Pipe in the ABS DWV Pipe & Fittings department at Lowes.com
NIBCO 1-1/2 in. ABS DWV Hub x Hub Coupling Fitting C5801HD112 - The Home Depot
Charlotte Pipe The 2-In ABS Coupling for Non-Potable Water - Black, Schedule 40, NSF Safety Listed - Ideal for Sanitary Drainage Applications in the ABS DWV Pipe & Fittings department at Lowes.com