The ALSDV1 18" white 24" spiral duct by HART & COOLEY is crafted from lightweight aluminum, ensuring easy handling and installation. This duct is designed for efficient air movement in HVAC systems, with a diameter of 18" and a length of 24". Its spiral design enhances airflow while minimizing noise, making it ideal for both residential and commercial applications. The aluminum construction is resistant to corrosion, ensuring durability and longevity. This duct meets industry standards for performance and is compatible with various HVAC systems.