Frost King SB36 2 x 36" Extra Aluminum/Brush Door Sweep, SilverFrost King door bottoms and sweeps come in colors and different strengths to fit your needs.
Pemko Door Bottom Sweep, Clear Anodized Aluminum with 1" Gray Nylon Brush insert, 0.25"W x 1.875" H x 36" L
Brush Door Sweeps are designed to seal the gap between the bottom of the door and the top of the threshold or floor surface. They are usually supplied with a flat flange. The flat flange provides the best contact between the brush and the threshold or floor surface