1/2" Pex Elbow Is Intended For Water Distribution Systems. They Come In A Conveniently Sized Pack Are Made Of Forged Brass, Making It Approximately 15% Stronger Than Brass Counterparts And Are Virtually Free Of Imperfections. This Elbow Is High Quality As It Is Certified By The Canadian Standard For Pex Pipe And Fittings, As It Has Passed Pressure Testing At Three Temperatures. It Has A Maximum Working Pressure Of 690Kpa At 82?C.