Description:Durable Material:The duct connector is made of high-quality material which is durable and not easy to deform. The vent connector is anti-high temperature and can be used for a long time.With Valves:The outlet connector has 2 adjustable valves to control the air volume as required. You can also have one side get more hot air than the other or no hot air at all.Easy to Carry:The volume of the duct connector is compact and easy to carry. The vent connector is lightweight and portable takes up very little space and is easy to store.Professional Accessories:This car air heater accessory is 100% matched to the original for easy installation and efficient separation of the warm airflow from the heater.Save on Repair Costs:This heater accessory can help you replace worn-out original and get your parking heater back up and running saving you time and money on repairs.Specifications:Material: lasticColor: BlackDiameter: Approx. 75mm (3 inches) for 5KW (D4) parking heaterDiameter: about 60 mm (2.36 inches) suitable for 2KW (D2) parking heaterincludes:1*Outlet Connector