Cal-Royal BTSR-107 Door Bottom Sweep with Rain Drip is a durable and energy-efficient sealing solution designed to block air, light, sound, drafts, insects, moisture, smoke, and fire from entering through the bottom of doors. It is surface-mounted on the face of the door, commonly used on exterior outswing doors, and is made from an extruded aluminum retainer with a flexible vinyl or neoprene insert. The sweep includes slotted holes for easy adjustment and is suitable for both wood and hollow metal doors. It also features a rain drip design that helps deflect water. The product has a width of 7/16 inch (11.5 mm), a profile height of 1-1/4 inches (31.8 mm), and a total height of 1-9/16 inches (39.5 mm).