HPS 3/8" (9.5mm) high temp black reinforced silicone heater hose (Sold per feet) meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. HPS performance silicone is designed and engineerd to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system.. Key Features: Made of Premium grade Reinforced Silicone. Heavy wall design gives it the ability to handle extreme pressure. Ultra flexible & Excellent tensile strength. Technical Specification: Product Type: Silicone . Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C). Hose Inside Diameter: 3/8" (9.5mm). Hose Outside Diameter: 0.62" (15.5mm). Hose Length: Sold per feet. Wall Thickness: 3mm. Color: Black. UV and ozone resistant. Remark: Silicone hose is NOT compatible with fuel or oil.