Replacement weatherstrip designed for all season protection against drafts moisture dust and insects The weatherstrip replaces most styles of factory weatherstrips and fits into the kerf to compress against the door and form a weather-tight seal The weatherstrip conforms to irregularities in the door fit Waterproof, wind proof, excellent aging resistance It immediately stopped the draft that was coming in around the door and window Widely used in all kinds of sliding window, sliding door, security door, closet door M-D Building Products today: quality that never wavers and innovation that never stands still