Lund 184550 Ventvisor Elite Side Window Defectors, 4-Piece Set for 2006-2012 Ford Fusion; 2007-2012 Lincoln MKZ; 2006 Lincoln Zephyr; 2006-2010 Mercury Milan Let fresh air circulate through partially opened windows while keeping the rain and other elements out; Reduces interior wind noise and window fogging and keeps car interior cooler when parked in the sun Features an in-channel mounting design crafted from proprietary high-performance material No special hardware or drilling required; Car wash safe Blue-Gray finish provides optical clarity and complements Lund Interceptor hood shield Proudly made in the USA and backed by a limited lifetime warranty