The louver blades have a tight closure function, which can completely close the ventilation opening when not in use, effectively blocking foreign objects from entering the car's ac conditioning system, reducing the frequency of filter blockage, while keeping the ac inside the car clean and caring for the respiratory health of family members. The ventilation opening adopts an optimized guide groove design to increase the ac circulation area, improve the heat dissipation efficiency of the ac conditioning system, effectively shorten waiting time, and save costs for users. The mirror chrome plated combined with smooth line design enhances the luxury and refinement of the car interior;Whether it is daily commuting or business travel, it can showcase the owner's taste and style, making the interior of the car look . name:Air conditioner Vent Duct Part Number:DC3Z19893BA DC3Z19893BA BC3Z19893AA Fitment: For Super Duty 2011-2016 For Super Duty 2011-2016 For F-450 Super Duty 2011-2016 For F-550 Super Duty 2011-2016 Colour:As Shown Material:plastic Package Contents: 1 x Air conditioner Vent Duct Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.