M-D 2.25" W. x 1.375" H. x 36" L. Aluminum White Door Bottom is designed to provide an effective seal at the bottom of your door, helping to protect your home from drafts, moisture, dust, and insects. This aluminum U-shape screw-on under door seal features a durable vinyl seal that helps save energy by preventing heat or air conditioning from escaping. The screw holes are oval-shaped, allowing easy adjustment to ensure a fit and complete sealing of the gap beneath your door. Installation is straightforward with all necessary hardware included, and the door bottom can be cut to your desired length using a hacksaw before installation. Model Number: 6403