Loc-Line Coolant Hose Component, Acetal Copolymer, Straight Flow Nozzle, 1-5/8" Width, 1/2" Hose ID (Pack of 2) Straight flow nozzle has a wide center and straight edges for wide, uniform outlet flow Connects to Loc-Line modular hose and fittings Acetal copolymer plastic has an orange color, resists corrosion and moisture, and can be used with acetone, alcohol, ethyl, greases, oils, commercial dish detergents, gasoline, lacquer solvents, and sodium hydroxide Maximum operating temperature of 170 degrees F Material meets NSF/ANSI standards 14, 51, and 61 for drinking (potable) water