This fan is perfect for enthusiasts, hobbyists and professionals who use printers or work in electronics repair rooms and support ventilation Very suitable for use in motorhomes, greenhouses, animal shelters and bathrooms, effectively removes gases and ensures a comfortable environment This fan is designed for versatility and can be powered via a 5V solar panel or USB power supply, making it a universal solution for various applications Made of ABS, this fan is designed for long-term use and features a removable design for easy cleaning and maintenance to ensure long-term performance Our exhaust fan has a motor with 3000 rpm, a 3-speed control with switches, an air volume of 50 CFM and can be used with an air duct with 75 mm diameter. Achieving efficient suction and enabling a strong ventilation effect, Manufacturer: hogtnd