2007 - 2015 Sprinter Airvent Cab Window Inserts. Louvered vent inserts for Dodge, Freighliner, or Mercedes Sprinter. Black powder coated finish over aluminum. Quality "Made in Germany" product. Easily installs over window. Roll down window, place Airvent in window track and roll up window. Netting behind louvers keeps out insects. Very secure. Can't be removed from the outside.