The Freightliner Classic 9 Inches By 20 1/4 Inches Front Air Filter Panel With 3 Combination Light Cutouts is a durable and practical addition to your Freightliner Classic model. Constructed from stainless steel with 18-gauge thickness, this panel measures 9 inches by 20 1/4 inches and includes 3 combination light cutouts. Sold as a pair, this panel is designed to fit most Freightliner Classic models, providing a reliable and long-lasting solution for your air filter needs.