EGR DARK SMOKE In-Channel Window Visors are designed to promote fresh air circulation inside the vehicle. These fully integrated, custom molded designs help to reduce windshield fogging in wet weather for safer driving, and can lower interior temperatures in parked vehicles. The UV protected finish is easy to clean.. Limited lifetime warranty. FRONT & REAR SET. EGR In Channel Style Dark Smoke Window Visor - proudly made in the USA.