M-D Ultra 0.25" 36" Silver Door Sweep is designed to provide superior protection against drafts, moisture, dust, and insects with its durable thermoplastic rubber seal. This commercial screw-on door sweep features a rubber seal that enhanced durability and better sealing properties d to standard vinyl. It is UL Rated for slower flammability, helping to limit the spread of fire within a building. By sealing the bottom of your door, it helps save energy by preventing heat or air conditioning from escaping. Installation is straightforward with all necessary hardware included, and the sweep can be easily cut to the desired length using a hacksaw before installation. Model Number: 68247