Features: Experience powerful ventilation with our upgraded 200mm PVC duct fan, delivering 360cfm airflows to efficiently remove smoky, steam, and odors, improving air quality in various environments for reliably exhaust ventilation. Featuring a 12V input with 5.5x2.1mm interfaces (center positive), 2200rpm speed, integrated switches, and low noise at 39dB, this inline fan ensures quiet, multifunctional operations with easy control. Ideal for homeowners, farmers, and business operators seeking effective air circulations solution for indoor spaces, such as residential or commercial settings requiring durability ventilation fans. Perfect for kitchens, bathrooms, greenhouses, workshops, warehouses, and other areas demanding efficient exhaust ventilation to maintain freshing air in diverse applications. Easily installs with standard 200mm PVC ducts and supports power from 12V solar panel or adapters, providing sustainable, high performances ventilation for enhanced living and working conditions. Specifications: Component: PVC Size: Inner diameter:200mm/7.87inch outer diameter:212mm/8.34inch length:118mm/4.64inch Input interfaces: 5.5x2.1mm bus Wire length: 70cm Power: 12V 0.5A 6W Speed: 2200rpm Air volumes: 360CFM Package Includes: 1pcs Exhaust Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.