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The LCN 4040XP Series heavy-duty door closer is designed to provide reliable, long-lasting performance in a variety of commercial and residential settings. The nonhanded closure features a cast-iron cylinder, forged steel arm, all-weather fluid, and double heat-treated pinion, ensuring durability and consistent operation. Its adjustable cylinder allows for easy installation on interior and exterior doors up to 4 feet wide or 5 feet tall, while its self-tapping/self-reaming screws and peel-and-stick templates simplify installation. The LCN 4040XP Series door closer is ideal for use in schools, hospitals, offices, apartment buildings, hotels, and other high-traffic areas where reliability and safety are paramount.