BrassCraft 1/2 in. Nominal Compression Inlet x 3/8 in. O.D. Compression Outlet 1/4-Turn Angle Valve controls water flow to household plumbing fixtures - faucets, toilets, dishwashers, icemakers, washing machines, etc. The angle valve is most often used where the water pipe enters the room from the wall. With a 90° turn of the valve handle, you are able to stop the flow of water leading to the plumbing fixture, allowing for maintenance and repair without shutting off the water to the entire home. Features: Compatible with copper or PEX (PEX installations require a stainless steel tube insert) Smooth, quarter-turn operation, on/off flow control with a 90° turn of the handle 1-piece shut-off mechanism ensures smooth operation without freeze-ups even after long periods without use Easy-to-remove handle protects against accidental operation during rough-ins 1-piece body construction for strength, durability and long-lasting performance Chrome-plated brass Temperature rating: 40° to 160° Pressure rating: 125 psi maximum No-lead certified IAPMO and CSA listed to ASME A112.18.1/CSA B125.1