Features: * Fittings used for hot and cold water, new construction, or professional plumbing * Eliminates need for solvents, chemicals, solder, and flame * Use with black copper or stainless steel crimp rings * Crimp rings NOT included * Low lead * Barb x barb: 1/2-in. x 1/2-in. Features: * Zurn Pex QQBV33GX Ball Valve, 1/2-Inch Barb Lever Brass