Features: Specifically for 5V, 12V, and 24V 7530 Centrifugal Fans, ensuring optimal airflow and efficiency. Crafted from stainless steel, this air duct features 28mm diameter and comes10cm length, perfect for extending the reach of your fan's airflow. Suitable for professional cooks alike, this air duct is perfect for anyone looking to improve ventilation and temperature control in their cooking Perfect for use in kitchens, BBQs, smokehouses, and more, this air duct allows you to connect or extend 7530 centrifugal fan, enhancing its performances in various environments. Ensure proper fit by checking your fan's outlet size before purchasing; this versatile air duct is suitable for applications, making it a must have accessory for any serious cook. Specifications: Component:Plastic+Stainless Steel Length:Approx.10cm/3.94inch Package Includes: 1Pc Air Ducting note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.