Designed for common use, this brushless cooling fan can be powered by a 12V solar panel or adapter, offering a flexible solution for ventilation needs while maintaining long lasting efficiency This 12V 0.4A double pipe exhaust fan features a powerful 3800 RPM brushless motor for efficient air expulsion, with a switching for easy operations and compatibility with 7.5cm ducts, making it an essential ventilation fan for craft projects Ideal for craft enthusiasts, hobbyists, and professional such as 3D printer users or electronics repair technicians, this blower fan provides consistent ventilation in various settings Perfect for workshops, recreational vehicles, electronics repair rooms, greenhouses, pet houses, and bathrooms to remove smogs, fumes, and odors, creating a comfortable environment with its versatile exhaust fan capabilities attributes include a 5.5x2.1mm female input, a 55cm wire with integrated switching, and a detachable ABS design for sturdy, easy to clean maintenance, ensuring efficient cooling fan, Manufacturer: Whoasyst