HPS 1 8" (3mm) ID Blue High Temp Silicone Vacuum Hose Tubing 5 Feet Roll Ghislaine Maxwell. Key Features Made of High Temperature Premium Grade Silicone Meets and exceeds SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications Great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system UV and ozone resistant Silicone hose is NOT compatible with fuel or oil HPS 1 8" High Temp Blue Silicone vacuum tubing hose is commonly used 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 with excellent tensile strength. Technical Specificationss: Product Type: Silicone. Temperature Range: 65 deg. F to + 350 deg. F (177 deg. C). Hose Inside Diameter: 1 8". Hose Outside Diameter: 0. 36" (9mm). Hose Length: 5 feet. Wall Thickness: 3mm. Color: Blue. UV and ozone resistant. Remark: Silicone hose is NOT compatible with fuel or oil.