The Mack Granite Door Window Deflectors are a practical and beneficial addition to your Mack Granite truck. Made of stainless steel and measuring 23 inches long, these deflectors help reduce cab air turbulence, providing a smoother and more comfortable ride. Sold in pairs, they easily attach using the supplied 3M two-sided tape. Designed to fit most Mack Granite models, these window deflectors are a practical solution for improving your driving experience.