Features: Experience powerful ventilation with our double exhaust fan featuring a 3800RPM motor for efficient air removal, ideal for cooling and exhaust applications in various settings. This versatile ventilation fan supports AC100-240V input with adjustable speed control and durability ABS construction, ensuring reliability performances and easy integration with 7.3cm diameter ducts. Perfect for enthusiasts, hobbyists, and professional such as those in 3D printing or electronics repair rooms, providing essential airflows support for enhanced workspaces comfort. Ideal for use in workshops, greenhouses, pet houses, and bathrooms to effectively remove fumes, and odors, creating a healthier and more comfortable environment. Designed with a detachable structure for simple cleaning and maintenance, this robust cooling fan ensures long lasting durability and consistent operate in demanding conditions. Specifications: Component: plastic Total length:Approx.11cm/4.33inch Diameter:Approx.7.3cm/2.87inch Speed: 3800rpm Input voltages: AC100-240V 50/60hz Power: 4.8W Package Includes: 1pc Duct Exhaust Fan 1pc Speed Controller 8pcs Screw note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.