4-Ply Reinforced High Temperature Silicone Coupler and The hose material is high quality silicone Min temperature: -60 C/-140 F. Max temperature: 230 C/428 F. Bursting pressure: 2MPA 4-Ply Hose for the most demanding applications and is able to withstand high boost pressure. Great for marine and industrial use perfect use with Turbocharger, Supercharger, DIY Intake, radiator cooling system and Intercooler system applications. NOTE: Silicone hose is NOT compatible with fuel or oil Meet and exceed Saej20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications Inner Diameter: 2"-2.25". Length: 6" (152mm). Wall Thickness: 5mm . We Provided 12 months warranty from the date of purchased and Free return within 30 days NO QUESTION ASK. 4-Ply Reinforced High Temperature Silicone Coupler and The hose material is high quality silicone