Variable diameter silicone tube, charger variable diameter hose, red, blue, black head tube, variable diameter Connect the hose to the cooling system of the car to ensure the normal operation of the engine. It is a universal product Fit For most automotive engine coolers,Various silicone protective sleeves for automobiles, electrical appliances, and wires, Fit For various wire harness sheaths. available in a variety of sizes and specifications, perfectly matching various intercooler and air intake systems. Coolant hose enhance performance and high reliability., Manufacturer: SRGAMRQ