The Perlick C15365-1 is a high-quality 3" hose duct designed for draft beer systems. Measuring 12.5 feet in length, this durable hose connects the blower to the air shaft inside your cooler, ensuring optimal airflow and temperature control. Its robust construction guarantees reliable performance, making it an essential component for maintaining the quality of your draft beer. Ideal for both commercial and home brewing setups, this hose duct enhances efficiency and prolongs the life of your cooling system.