M-D 17 Ft. Brown V-Flex Weatherseal is expertly designed to protect your home from drafts, moisture, dust, and insects, helping you save on energy costs by sealing windows and preventing heat or air conditioning from escaping. Crafted from flexible plastic, this weatherseal is i for double-hung windows and automatically adjusts to create a secure, weathertight barrier. Installation is simple and hassle-—just peel and stick the seal onto a clean, dry surface with no need for hardware. For results, cut to the desired length using scissors before applying. Model Number: 3541