HS Power in-Channel 4pcs Front Rear Ventvisor Window Deflector Sun/Rain Guards Smoke Vent Shade Window Visors for 1999-2012 Ford F250 / F350 / F450 Superduty Crew 4D 4DR Cab Application: 1999-2012 Ford F250 / F350 / F450 Superduty Crew Cab 4 Door Models Style: In Channel Type Window Vent Visor - ( Come As A Complete Set - 2 Front, 2 Rear ) Function: Side Window Deflectors Help To Reduce Wind Noise While Driving With Windows Partially Open For Fresh Air And Allow Interior Heat To Escape When Parked With Windows Vented. Material: This Car Window Shade is Made of High Quality Reinforced Acrylic With Light Weight Design, UV-Resistant. In-Channel Design Provides A More Finished Look Than "Tape-On" Competition, It Fits Inside The Window Channel As An Extra Reinforcement And is Not Visible. Custom Fit For Each Application In Shape. Limited 60 Days Manufacturer Warranty. Professional Installation is Recommended. Color: Dark Smoke Tint Window Deflectors.