The Peterbilt Ventvisor Side Window Deflectors are a practical and stylish addition to any truck. These deflectors allow fresh air to flow in while expelling stale air, odors, and heat, ensuring a comfortable and safe drive. They also reduce interior fogging, keeping you alert on the road. With their easy installation using 3M Automotive Grade Tape, these deflectors add a unique look to your truck. Available in smokey black, they are designed to fit most Peterbilt 359 Series in-channel windows from 1973 to 1987 and most Peterbilt 387 Series from 2001 to 2011.