Mack R Series Vent Shade Vent Shade Fits The Following Mack Models: DM600 / U602 / R Series With Dummy Shutter (1974-2000) DM600S/ DM600X / DM600SX / R / U600 (1974-2000) RB600S/ RB600SX / RD600 (Set Back Axle) (1996-2004) Made Of Stainless Steel Let's Fresh Air In, Even During Bad Weather Reduc... See More