Features: The inline-duct fan is a must-have for anyone looking to improve their indoor-air quality. With a low noise-level, it effectively removes odors and moisture from basements, bathrooms, kitchens, and attics. Made with high-quality materials, including a pure-copper motor and a durable painted-finish, this ventilation fan is built-to last. Its compact size and easy installation-make it a convenient addition to any room. Designed for at-home growers-and anyone who wants to improve their indoor-air quality, this exhaust fan is suitable-for a variety of-spaces and-needs. Whether you're growing plants-indoors or just need to improve your home's ventilation, the inline-duct fan is the perfect solution. Use it in your basement, bathroom, kitchen, or attics for improved-air quality and comfort. Easy to install, suitable for kitchen, toilet, office, meeting room, restaurant, supermarket, cinemas, Internet-cafe, workshop, waiting hall, etc. Specifications: Color:Black /White(Random color) Size:Approx.7.3x10cm/2.87x3.93inch Size:Approx.15x15cm/5.9x5.9inch Size:Approx.15x19.6cm/5.9x7.71inch Rated-voltage: 220V. Input power: 20W Product model: ZFD-100 Air volume: 140m3/h Rated-speed: 2800r/minutes Package Includes: 1x Exhaust Ventilation Fan note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.