Features: 12V high airflows 120mm exhaust fan delivers 6000RPM. Can used with a 10cm air duct, achieving efficient exhaust and allowing you to experience powerful ventilation effect. Crafted with ABS plastic and metal components, this 200CFM blower includes a 5.5x2.1mm power interfaces and double ball bearing for quiet, long lasting operation in tight space. Ideal for DIY enthusiasts, 3D printing professional, and electronics repair technicians needing reliable fume extraction or workspaces cooling solution. Perfectly suited for workshops, greenhouses, pet enclosures, or bathrooms to eliminate smokes, odors, and maintain great air circulations. Multipurpose 12V compatibility allows integration with solar panel or adapter, while its detachable design simplifies cleaning and maintenance for sustained performances. Specifications: Component: Plastic + Metal Color: Black Size:Approx.12x12cm/4.72inch Length: 11cm/4.33in Air Duct Diameter: 9.8cm/3.86in Input: DC12V2A-3A Air Volumes: 200CFM Input Interfaces: 5.5x2.1mm (inner positive electrode and outer negative electrode) Noise: 65DB Speed: 6000rpm Package Includes: 1pc Exhaust Fan 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.