Featuring a standard 120mm size with a 117mm duct adapter, 5.5x2.1mm plug (center positive), included bungs proof aluminum meshes, and screws, this fan ensures easy installation and versatile functionality Ideal for craft enthusiasts, hobbyists, and professional such as 3D printer users or those in electronic repair workshops, providing dependable ventilation Perfect for use in scenarios like welding stations, 3D printer enclosures, experimental devices, and small grow tents to aid exhaust, cooling, heating, or air filtration This 120mm exhaust fan operates at 2800rpm to deliver stable airflows, effectively reducing device temperatures and extracting smogs for efficient ventilation in various setups Powered by 12V sources like solar panel or adapters, this compact fan flexible smogs purification without an included power supply, enhancing its adaptability, Manufacturer: MARCBUSE