The T&S Brass B-3942-01-XS Waste Valve is the perfect accessory for your sink and is useful for a variety of kitchen, laboratory, medical, and industrial applications. It is a twist valve for 3” sink openings that allows water to drain without using your hands into the water, keeping you safe from contact with dirty water and sharp, unseen objects. This T&S Brass Waste Valve features a short twist handle that opens and closes the drain to start draining water from the sink, or to stop water from draining. It boasts an overflow tube with a head assembly that prevents incidence of unsanitary and dangerous overflow especially when the drain is closed. It proudly features a removable snap-in strainer that prevents clogging in the drain. It utilizes a 2” NPT male thread and a 1-1/2” NPT female thread. More details are available in the specification sheets. The T&S Brass B-3942-01-XS is covered by a limited warranty of 1 year and is recognized for meeting the required environmental standards. T&S is among the first commercial plumbing manufacturers and has set the quality standard in the industry for almost 50 years.