Looking to replace your door sweep?... look no further Improve the energy efficiency of your home with the use of one of our premium sweeps. Masonite Door Sweeps eliminate the gap between the door and threshold. By protecting your home against drafts, rain, snow, dust, pollen, insects and even noise you will easily maximize your energy savings. It is a very durable product, strong enough to withstand daily use all while providing a cleaner and safer home. Masonite Premdor Brown Fin Snap in Sweep *This sweep is used on steel doors *Bulb should face the exterior of the door *Sweep can be purchased in all sizes *The two kerfs snap into the bottom of the door. *The two kerfs snap into the bottom of the door.