The Freightliner FLA 1979 To 1990 Ventshade Side Window Deflector is a practical and beneficial product for Freightliner Cabover FLA and FLT 1978 through 1990 models. Made of stainless steel, it allows fresh air to flow in while keeping rain and snow out. This feature helps to keep the driver comfortable and alert, enhancing their overall driving experience. Manufactured in the USA, this window deflector is a reliable and durable accessory that adds convenience and functionality to your Freightliner truck.