M-D 3-3/8" x 1-1/8" x 36" Silver Aluminum and Vinyl High-Profile Threshold is designed to provide a durable and effective seal for your doorway. This threshold features a vinyl seal that protects against drafts, moisture, dust, and insects, making it an excellent choice for enhancing your home's comfort and energy efficiency. It is suitable for use with new doors or as a for existing thresholds. Installation is straightforward, as all necessary hardware is included, and the threshold can be easily cut to the desired length with a hacksaw before installation. For optimal sealing, it can be paired with a door sweep to further prevent air and debris infiltration. Model Number: 8409