The ALH45FF 17.5" 08 WHT Sidewall is a high-quality aluminum sidewall vent from HART & COOLEY. Designed for efficient airflow, this model features a sleek white finish that blends seamlessly with any decor. Its dimensions ensure compatibility with standard duct systems, making it ideal for residential and commercial applications. The aluminum construction provides durability and resistance to corrosion, ensuring long-lasting performance. This sidewall vent is perfect for use in heating and cooling systems, enhancing air distribution while maintaining aesthetic appeal.