Features: The Inline Duct Exhaust Fan is engineered with advanced mixed technology, delivering high pressure while maintaining quiet, suitable for ventilation installations in space. This fan combines the high pressure capabilities of centrifugal fan and the large flowing of fan, ensuring efficient performances and energy savings. Perfect for industrial manufacturers, restaurant operators, basement/garage managers, and environmental engineering contractors ventilation solution. Ideal for diverse environment such as factories for dust extraction, commercial kitchens for basements for moisture control, and fitness centers for improved air circulations. Constructed from ABS, this inline duct fan is withstanding corrosive environment, ensuring long performances and minimal maintenance in demanding applications. Specifications: Component:Plastic Length:Approx.11cm/4.33inch Diameter:7.3cm Speed: 3800rpm Input: 100-240V 50/60hz Power: 4.8W Package Includes: 1Pc Extractor Fan 1Pc Speed Controller 2Pcs Fan Duct 8Pcs Screws 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.