HPS extruded high temp Clear 6mm (1/4") silicone vacuum tubing hose x 10 Feet is commonly use for vacuum advance systems, turbo systems, coolant systems, emission control, and temperature range applications. Made of Premium grade Silicone. Heavy wall design gives it the ability to handle extreme pressure. Ultra flexible & Excellent tensile strength. Product Type: Vacuum Hose. Temperature Range: - 65 deg. F to + 350 deg. F (177 deg. C). Hose Inside Diameter: 6mm (1/4"). Hose Length: 10 Feet. Remark: Silicone hose is NOT compatible with fuel or oil. Silicone hose is compatible with water or anti-freeze such as coolant.