7/8" Vinyl Sweep Seals against air, dust and water. Most effective when mounted on exterior of outswinging door. Supplied with screws for easy installation. Slotted holes for adjustement. CRL Aluminum and Vinyl Door Sweep are designed to prevent dust, moisture and wind from entering between the base of the door and the threshold. It is sized for a 36 inch (92.7 centimeter) opening. Color: Dark Bronze Anodized Overall Length: 48-1/2 in (1231.9 mm) Overall Height: 1-7/8 in. (47.6 mm) Installation Instructions 1. Measure, mark and trim door bottom sweep to full width of door. 2. Close door and position door bottom sweep along outside bottom edge of door so that it makes light even contact with threshold. Mark door in center of slotted holes. 3. Drill pilot holes in door at marks. 4. Secure door bottom sweep to door with supplied screws. Adjust to ensure light even contact with threshold.