Easily installs with standard 200mm PVC ducts and supports power from 12V solar panel or adapters, providing sustainable, high ventilation for enhanced living and working conditions Perfect for kitchens, bathrooms, greenhouses, workshops, warehouses, and other areas demanding efficient exhaust ventilation to maintain freshing air in applications 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 powerful ventilation with our upgraded 200mm PVC duct fan, 360cfm airflows to efficiently remove smoky,, and odors, improving air in various environments for reliably exhaust ventilation, Manufacturer: CAZSTYK