HPS 3.5mm High Temp Silicone Vacuum Hose Black x 5 Feet commonly used on Turbo systems, Windshield wiper hose, Intake Manifold and Emission Control. HPS extruded high temp 3.5mm black silicone vacuum tubing hose is commonly use for vacuum advance systems, turbo systems, coolant systems, emission control, and temperature range applications. Features Made of Premium grade Silicone Heavy wall design gives it the ability to handle extreme pressure Ultra flexible & Excellent tensile strength Technical Specification Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C) Color: Black Remark Silicone hose is compatible with water or anti-freeze such as coolant. Silicone hose is NOT compatible with fuel or oil.