Charlotte Pipe 3″ Sanitary ABS Waste & Vent Tee is designed for use in drain, waste, and vent (DWV) systems. It is used to connect a branch line to a vertical drain pipe, allowing for proper drainage and ventilation in your plumbing system. This tee is made from durable ABS (Acrylonitrile Butadiene Styrene) material and is designed to meet Schedule 40 DWV standards. It provides a reliable and durable solution for your plumbing needs.