Charlotte Pipe Schedule 40 DWV Reducing PVC Coupling, 3/4 In. Slip x 1/2 In. Slip is crafted from durable PVC material and is designed specifically for use in Drain, Waste, and Vent (DWV) systems. This coupling features a slip x slip configuration, allowing for easy solvent welding on both ends of the pipes to create a secure and leak-resistant connection. It is for connecting pipes of different diameters, ensuring efficient fluid flow and proper drainage within your plumbing system. Its robust construction and reliable performance make it an essential component for plumbing installations requiring a transition between pipe sizes. Model Number: PVC 02100 3400HA