M-D Building Products 82586 Door Bottom, 1-3/4 in W X 36 in L X 1/2 in H, Brown All season protection against drafts, moisture, dust and insects Replaces many pre-hung style door bottoms Nail or staple to door stop so gasket compresses lightly against top and sides of closed door to seal out the elements Seals gaps up to 1/2 inch high 1/2-inch high by 1-3/4-wide by 36 inch long