The 10FT LTH 18'' 24GA PCD Pipe from Southwark Metal Mfg Co is designed for efficient air distribution in HVAC systems. Constructed from high-quality 24-gauge galvanized steel, this pipe measures 18 inches in diameter and is 10 feet long, making it suitable for a variety of applications. The PCD (Plain Cut Duct) design allows for straightforward installation and compatibility with standard duct systems. This product meets industry standards for quality and durability, ensuring reliable performance in both residential and commercial settings.