Product details:

Install a convenient and useful drain in your sink with the T&S B-3990-01-5X modular waste drain valve! This waste valve comes with a pull handle and 5 handle extension for easy operation. Its 3 1/2 sink opening is connected to a 2 NPT male outlet, and the included overflow tube prevents water from spilling out and over your sink. An included adapter can change the drain outlet size to 1 1/2 NPT, depending on your needs.