Features: Enhances your cooking and BBQ experience with our metal 28mm air ducting, designed specifically for 5v, 12v, and 24v 9733 centrifugal fans to optimize airflow and efficiency. Crafted from stainless steel and plastic, this air duct features a 28mm diameter and is available in lengths of 10cm, making it good for extending the reach of your 9733 fan's air outlet. Perfect for DIY enthusiasts and professional who use centrifugal fans for various applications, including cooking, BBQ, and smokehouse setups. For scenarios requiring combustion assistance, or enhances cooling, ensuring your 9733 blower operates at its best. Ensures compatibility by checking dimension before purchase; this air duct connects seamlessly to your existing setup, enhancing performances without the need for additional blowers. Specifications: Component:Plastic+Stainless Steel Stainless pipe: Approx.10cm Diameter: Approx.2.8cm Plastic inner opening: Approx.5.3x2.8cm Package Includes: 1pcs Air Ducting note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.