These Aqua-Dynamic stop ball valves control the flow of water to plumbing fixtures. They have 1/2" PEX inlets and 3/8" outside diameter compression outlets. Their quarter-turn handles shut off and restore the flow of water quickly. The right-angle stop valves make it simple to change the flow direction of a plumbing line. Combining brass construction with a chrome-plated finish, these plumbing stop valves are durable and attractive. They handle temperatures of up to 80 degrees Celsius and up to 200 pounds per square inch of water pressure. The Aqua-Dynamic stop ball valve fixtures meet NSF/ANSI lead-free standards are cUPC certified and comes with a 1-year limited warranty. This pack contains two valves.