BrassCraft 1/2 in. Nominal Compression Inlet x 1/2 in. O.D. Compression x 1/2 in. O.D. Compression Dual Outlet Multi-Turn Valve controls water flow to household plumbing fixtures. The dual outlet allows two independent supply lines to be attached to a single valve. Ideal for adding dishwashers, ice makers, water filters and instant hot water dispensers to existing water supply. With a few turns of the valve handle, you are able to stop or start the flow of water leading to the plumbing fixture, allowing for maintenance and repair without shutting off the water to the entire home.