Auto Ventshade 194975 In-Channel Ventvisor Side Window Deflector, 4-Piece Set for 2015-2018 Ford F-150 SuperCrew 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 , The in-channel design offers greater visibility and less wind noise Reduces heat build up in parked vehicles by allowing window to be kept partially open Installs in minutes, no drilling or special hardware required; Please note special instructions for In-Channel Ventvisors on installation guide Made in the USA and backed by a limited lifetime warranty