The 3" x 2" H x H DWV Pipe Increaser-Reducer is a vital fitting for plumbing systems, designed to connect pipes of varying diameters, specifically transitioning from a 3” pipe to a 2” pipe. This fitting facilitates seamless integration in DWV (Drain, Waste, and Vent) systems, which are crucial for effective wastewater removal and sewer gas venting in buildings. Made from durable PVC, it offers excellent corrosion resistance and longevity, ensuring reliable performance in demanding environments. This pipe increaser-reducer is essential for maintaining proper flow and pressure in plumbing applications.