ENSURE FITPlease check Fitment Filter and Description to see if this item will work on your vehicle before purchase COMPATIBLE 1999 F250 Super Duty Crew Cab, 20002016 F250 Crew Cab, 19992016 F350 Crew Cab 19992016 F450 Crew Cab 19992016 F550 Crew Cab NEWBlack 4pcs window visors For Front Rear Driver Passenger Visors. Our Vent Deflector made with premiumquality reinforced acrylic,will not bend, break or crack INSTALLATION Installs in minutes, attaches with 3M automotivegrade adhesive.no drilling or special hardware required; Stick on to the door above the windows.Not InChannel StylePlease note that after installing the window must be kept closed for 72 hrs. FEATURE Reduces heat build up in parked vehicles by allowing window to be kept partially open,To allow fresh air circulation while keep rain out, prevent fogging on mirrors.and improve ventilation during any weather condition,Shade cab from the sun to minimizes interior heat when parked in sunshine.