BrassCraft 1/2 in. Nom Sweat Inlet x 3/8 in. OD Compression Outlet Multi-Turn Straight Valve with Cross Handle and 5 in. Sweat Extension Tube controls water flow to household plumbing fixtures – faucets, toilets, etc. The straight valve is most often used where the water pipe enters the room from the floor. 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 house. Available in special finishes, this valve is a perfect complement to bathroom decor where the plumbing connections are most often exposed.