Loc-Line Coolant Hose Component, Acetal Copolymer, Segment, 1/2" Hose ID, 5-1/2" Length (Pack of 2) Two segments of Loc-Line modular hose Connects to Loc-Line fittings or another Loc-Line hose segment Acetal copolymer plastic has a blue 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