The T&S Brass B-3950-M-SplitCase is a durable twist waste valve designed for efficient drainage. Featuring a 3-1/2" size, this valve is constructed from high-quality brass for long-lasting performance and reliability. Its lever/twist operation allows for easy control, making it ideal for various plumbing applications. The robust design ensures a secure fit and optimal functionality, making it a practical choice for both commercial and residential use.