The NIBCO 3 in. x 3 in. x 1-1/2 in. PVC DWV 90 Hub x Hub x Hub Elbow with Side Inlet is suitable for non-pressurized sanitary system DWV applications. This durable PVC fitting helps remove wastewater and water-borne wastes from the plumbing fixtures and appliances and provides air circulation within piping. The NIBCO PVC DWV 90-degree elbow with side inlet is used in residential and commercial drain, waste and vent systems. Features: 3 X 3 X 11/2 in. Inside Diameter and 3 1/8 X 3 1/8 X 1 5/8 in. Outside Diameter PVC plastic construction Changes the direction of piping by 90 degree Connects a branch or vent line at a change of direction in larger vertical or horizontal drains Removes wastewater and water-borne waste from plumbing fixtures and appliances Suitable for use in non-pressurized sanitary system DWV applications Compatible with PVC pipe Includes two 3 in. fittings and one 1-1/2 in. side inlet Requires a primer before cementing NSF/ANSI Standard 14 NSF/ANSI Standard 14 UL Listed 94V-0 Note: product may vary by store