The T&S Brass B-3942-01-XS is a high-quality waste drain valve designed for efficient drainage in sinks with a 3" sink hole. It features a short twist handle for easy operation, allowing for quick opening and closing. The unit includes an overflow tube with a head assembly, ensuring reliable performance and preventing overflow issues. It is equipped with a 1-1/2" NPT female adapter for seamless installation and a 2" NPT male outlet for effective waste removal. This durable and functional drain valve is ideal for both commercial and residential applications.