Charlotte Pipe PVC-00502-1800HA DWV Reducing Combo Tee Wye & 1/8 Bend, 4"x4"x3"PVC DWV Schedule 40 Reducing Combination Tee Wye and 1 8 Bend (One Piece) is used to connect a plumbing fixture to a drain line. Used in sanitary drain, waste, and vent (DWV), sewer and storm drainage applications. They are used in gravity fed waste elimination systems and are for Non Pressure systems where temperatures will not exceed 140 degree F. PVC is lightweight and easy to install. They require no special tools for cutting, and can be installed