Features: Brand new and high quality Suitable for 5V 12V 24V 7530 air blower. With this air duct,you can use 7530 fan for cooking,bbq and more. For connecting 7530 air blower or extending ducting,please make sure the size before purchasing. Made of high-quality materials, exquisite workmanship, very good quality and long service life. The appearance of this product is very match, and there will be no sense of violation after installation. Specifications: Material:Plastic Color:Black Duct diameter: Approx.27mm/1inches Square mouth size: Approx.34x24mm/1.33x0.94inches Length: Approx.30mm/1.18inches Application:For 75x75x30mm Air Blower Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Air Ducting Pipe