HS Power in-Channel Ventvisor Window Deflector Sun/Rain Guards Smoke Vent Shade Window Visors 4Pcs for 1991-2001 Ford Explorer/Mercury Mountaineer Application: 1991-2001 Ford Explorer 4 Door Models, 1997-2001 Mercury Mountaineer Models Style: In Channel Type Window Vent Visor - ( Come As A Complete Set - 2 Front, 2 Rear ) Color: Dark Smoke Tint Window Deflectors. Material: 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 Re-Inforcement And is Not Visible. In-Channel Type Visor Will Fit The Window That Roll Down Only. It Will Not Fit The Vent Type Window That Opens Towards Outside. Custom Fit For Each Application In Shape. Warranty: Limited 60 Days Manufacturer Warranty. General Installation Guide Might Be Provided Upon Request. Professional Installation is Recommended.