Description: The duct connector is durable and not easy to deform. The outlet connector has 2 adjustable valves to control the air volume as required.Specifications: Product name: Adjustable air outlet linkerMaterial: lasticColour: BlackDiameter: Approx. 75mm (3 inches) for 5KW (D4) parking heaterDiameter: about 60 mm (2.36 inches), suitable for 2KW (D2) parking heaterAccessories: Eberspaecher, and other models of air parking heaters for 75mm ID pipe.Packing List: Outlet Connector*1Notes: Due to the lighting effects and shoot angles, there is a color difference in the product, please understand.Due to manual measurement, there is tolerance in the product size.