Ideal for homeowners, commercial establishments like restaurants and offices, and agricultural users such as greenhouse operators, this exhaust fan provides efficient ventilation solution Powered by 12V solar panel or adapters, this sustainable ventilation fan enhances air circulations in living and working spaces with energy efficient and user friendly This versatile blower fan features a 12V input with 5.5x2.1mm (center positive), 1200rpm speed, and an integrated switches for operations and easy installation with 160mm PVC ducts Perfect for environments including kitchens, bathrooms, attics, greenhouses, workshops, and basements, it seamlessly connects to 160mm PVC pipes for hassle release ventilation powerful ventilation with our upgraded 160mm PVC duct fan, efficiently smogs, and odors at 430CFM while maintaining a quiet 39dB noise levels for superior air improvement, Manufacturer: MARCBUSE