M-D door sweep, economy, 36 in length, 1-1/4 in height, 0.2 in thickness, aluminum. Use this aluminum and vinyl door sweep to seal out drafts from the bottom of your door. Helps make your home more comfortable and saves energy. Sweep installs on the inside bottom edge of your door. Recommended for use with smooth top thresholds. Use this aluminum and vinyl door sweep to seal out drafts from the bottom of your door. Helps make your home more comfortable and saves energy. Sweep installs on the inside bottom edge of your door. Recommended for use with smooth top thresholds Fits doors up to 36-inch wide Seals gap up to 3/4-inch high between bottom of door and threshold Aluminum finish