refractoriness of 500 degrees Celsius】With a maximum refractoriness of 500 degrees Celsius, the insulation effectively withstands high temperature conditions. PRODUCT CONTENTS]Insulated Exhaust Fiberglass Hose Insulation Sleeve, White. [SIZE]The length is about 2 meters and the inner diameter is about 25mm. [APPLICATION]Suitable for Webasto/Eberspacher and many other heaters, suitable for 22mm and 24mm exhaust pipes * Good stability and good electrical insulation performance * Length: up to2Meters * Max. High Temperature Silicone Coated Glass Fiber Fiberglass Exhaust Lagging Webasto Eberspacher Heater Exhaust Insulation Fiberglass Textile Braided Sleeve Coated With Silicone Rubber Exhaust Heat Sleeve Lagging Glass Fibre Hose For 22mm 24mm Pipe 【Chemicals stability and electrical insulation】Made with good chemicals stability and electrical insulation performance, reliable and safe operation. Fiberglass is made by heating glass and creating tiny, thin filaments through superfine holes. Fiberglass can be used in many ways, like in pools, doors, sports gear, and car parts 【Glass fibre thermal insulation】Suitable for 22mm & 24mm exhaust pipes, providing excellent insulation for Webasto/Eberspacher heaters and other compatible models. Refractoriness: 500degree Celsius * Inner Diameter: 25mm(approx) * Color: White(as pictures show) Package contents: 1*exhaust glass fiber hose insulation