PVC Sanitary Tee. All Hub. 3 inch x 3 inch x 2 inch. The NIBCO 3 in. x 3 in. x 2 in. PVC DWV All-Hub Sanitary Tee connects a branch line into a vertical PVC drain line in a non-pressurized sanitary system. The tee has a maximum working pressure of 5 psi.