Features: Experience powerful ventilation with our 12cm exhaust fan, featuring a robusts 3000RPM motor and double ball bearing for efficient smokes and air extraction in various environments. This ventilation fan kit includes a DC12V variable speed control, a metal mesh, and a 12cm duct adapter, ensuring great performances and easy installation for your craft projects. Ideal for hobbyists, DIY enthusiasts, and homeowners seeking effective ventilation solution for their workshops, kitchens, bathrooms, and more. Perfect for use in 3D printing enclosures, welding stations, paint booths, pet houses, and greenhouses, this fan ensures a clean and safe environment by efficiently removing fumes and excesses heat. Enhances your workspaces air quality and comfort with this reliable exhaust fan, designed to meet the demands of both residential and light industrial applications. Specifications: Type: US Component: Plastic and Metal Color: Black Input: AC100-240V 50/60Hz Output: DC3V-12V2A Speed: 3000RPM Size:Approx. 12x12x9.5cm/4.72x4.72x3.74in Tube Diameter:Approx. 11.8cm/4.65in Quantity: 1 set Package Includes: 1 set 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.