NIBCO 4 in. x 2 in. PVC DWV Hub x Hub Reducing Coupling

Install the NIBCO 4 in. x 2 in. PVC DWV Hub x Hub Reducing Coupling to connect PVC piping lengths together and remove wastewater from plumbing fixtures and appliances. This durable plastic coupling provides air circulation within piping and is designed for use in non-pressurized sanitary system DWV applications. PVC DWV is easy to install and is joined by solvent cementing or threading.|PVC plastic construction|Connects lengths of PVC piping together (sold separately)|Removes wastewater from plumbing fixtures and appliances|Suitable for use in non-pressurized sanitary system DWV applications|Provides air circulation within piping|Compatible with PVC pipe|(1) 4 in. hub fitting and (1) 2 in. hub fitting|Solvent-welded connections|Requires a primer before cementing|5 psi maximum working pressure