The Peterbilt 377, 378, and 379 1987 and newer rear Vortox air cleaner light box with light holes is a practical and beneficial product for your truck. Made from stainless steel, it is durable and long-lasting. With options of 8, 10, or 12 holes, it fits most Peterbilt 377, 378, and 379 models. Sold in pairs, this air cleaner light box enhances the appearance of your truck while providing functionality. Improve your truck's air filtration system with this reliable and stylish accessory.