High-Temperature Flexible Silicone Air Duct is different from other common types of silicone hoses in the same material due to its long lifetime, high quality . It is a kind of High temperature duct, flame retardant, रासायनिक प्रतिरोध, working under very high temperature, It is also used in different industry. Hotop air ducting is constructed with Double-layer of silicone coated …