The T&S Brass B-3940-01 is a reliable drain solution featuring a twist handle for easy operation. Designed for a 3" sink opening, it includes a 2" drain outlet and comes with a 1-1/2" adapter for versatile installation. The product also includes an overflow assembly (B-3914-01), ensuring efficient drainage and preventing overflow. Ideal for both commercial and residential applications, this waste valve combines functionality with durability.