Suggested Retail:$50. Auto Ventshade AVS 194381 in-Channel Ventvisor Side Window Deflector, 4-Piece Set for 2017-2021 Ford F-250, F-350, F-450 Super Duty with SuperCrew Cab, Black. ‎46.88 x 11.88 x 1.88 inches. . Installs in window channel for a sleek, streamlined appearance; Tinted, reinforced acrylic is UV and scratch-resistant and is car wash safe. Allows fresh air to naturally circulate through open windows while keeping the rain out. Reduces heat build up in parked vehicles by allowing window to be kept partially open. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.