Car Heater Duct Hose Exhaust Gas Outlet Aluminum Foil Pipes For Insulation Car Parking Heater Air Heater Expandable Corrugated Pipe Bullets: 1Based on High Quality MaterialThe heating cable is made of high quality aluminum, which is characterized by high temperature resistance, resistance against corrosion and long service life.2Built-in steel wire flexible aluminum pipe is composed of a steel wire spiral to maintain shape and keep the ventilation system tear-free, pinhole-free and leak-proof.3Adjustable dryer insulated vent hose can be expand for an adjustable fit, and the length can be adjusted according to your needs in a wide variety of automotive, home and workshop applications.4ki is easy to installThe aluminum dryer vent hose is super flexible and easy to install because it slides directly for duct fan, reflector, ventilation exhaust and carbon filter.5multiple applicationsthe flexible dryer vent can convey and transport air in kitchens (cooking exhaust), greenhouses, bathrooms (odor and moisture emissions), drying rooms, grow tents and other applications.Description:1. Used in various ventilation, circulation and heating and cooling applications.2. Built-in steel wire for better and long-lasting performance.3. Hose can be extended for an adjustable fit.4. Duct fan systems for various air circulation and ventilation projects.5. Suitable for air heaters, sidewalk heaters, cars, trucks, boats, heavy machinery, agricultural machinery and industrial machinery. Specification: Material: aluminum Product color: black Diameter: about 42mm, 60mm, 75mm/1.65in, 2.36in, 2.95in Length before stretching: about 30cm/11.81in Long distance after stretching: about 80cm/31.5in Product list: 1 * air heater duct hose Notes: For shipping purposes, the product will be compressed appropriately and the size will vary when you receive the product, so please stretch it to the desired length. The tube length is the stretched length, not the tube package length. Please stretch it slightly and completely to get the length you need. If you can't get the length, ask someone to stretch it together.