High quality material: The parking heater tube is made of aluminum. High-quality materials make the product high temperature resistant, corrosion resistant, easy to use, and can extend the life of the motor.Easy to install and use: duct vent heated air. Clamps are available to secure the hose to the diesel air heater. And secure the vent to the other end of the pipe with a clip. The openings can be rotated to channel hot air.Parking heater exhaust pipe: The inner diameter of the pipe is 75mm and the length can be stretched: 50-100cm. Air ducts for cold, hot and diesel heaters. When you run the air heater in your car, this parking heater tube directs warm air outside, keeping your feet and hands warm and comfortable when driving on a snowy or cold day.< /p>Hot Air Duct Vent: The vent is made of high quality plastic material, anti-corrosion and extremely durable. The front panel is removable for proper mounting using screw holes. Fits 75mm hot air ducts.What you get: 2 heating ducts, 2 vents, 1 air duct tee, 4 clips.