Enhance the aerodynamics of your 9900I/IX International I-Model Cab with these 19.3-inch tall Window Air Deflectors. Sold as a pair, these deflectors are designed to reduce wind noise and provide a more comfortable driving experience. Easy to install and specifically tailored to fit the 9900I/IX model, these air deflectors are a practical and functional addition to your truck. Improve fuel efficiency and reduce wind resistance with these high-quality window air deflectors.