The Bramec Corporation [102-422] 4" x 3" DWV coupling is essential for connecting drain, waste, and vent systems. Made from high-quality PVC, this coupling ensures a secure and leak-free connection. Its dimensions are designed to fit standard 4-inch and 3-inch pipes, making it versatile for various plumbing applications. This coupling complies with industry standards, ensuring reliability and safety in drainage systems. Ideal for both residential and commercial plumbing projects, it provides a long-lasting solution for effective waste management.