... For American Market, 2 Size:5*8H 3 Material:Brass Quick Coupling Specification1.Suit For the Automotive ,Industrial ,ARO plugs ... : -20 degree to 80 degree(Buna N)For coupler 6.Coupler Material :Body---Brass/Steel Zinc-Plated,Valve---Brass,Sleeve--- ... -Plated Steel7.The Out Connector Can Be Made as Male , Female ,Hose Barb According to Customers Requirement American Universal Quick Connect Coupler