The SOUTHWARK METAL MFG CO 6X14X8 W/RAILS is a versatile metal duct component designed for effective airflow management. Measuring 6 inches by 14 inches by 8 inches, this product is ideal for various HVAC applications. The integrated rails provide additional support during installation, ensuring stability and durability. Constructed from high-quality materials, it meets industry standards for performance and reliability. This duct fitting is perfect for connecting ducts and optimizing air distribution in both residential and commercial settings.