Features: OOTDTY The inline-duct fan is a must have for anybody seeking to upgrade their indoor-air quality. With a low noise-level, it effectively gets rid of odors and moisture from basements, bathrooms, kitchens, and attics. Made with tremendous 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 helpful addition to any room. Designed for at-home growers-and anybody who wants to improve their indoor-air quality, this exhaust fan is suitable-for a range of-spaces and-needs. Whether you're growing plants-indoors or just must 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 high quality and comfort. Easy to install, like minded for kitchen, toilet, office, meeting room, restaurant, supermarket, cinemas, Internet-cafe, workshop, ready etc. Specifications: Color:Black /White(Random color) Size:Approx/2 Size:Approx/5 Size:Approx/5 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 enable 1-2cm mistakes thanks to guide measurement, just be sure you do not intellect before you order. ② to the difference between diverse monitors, the picture will not reflect the actual shade of the item. Thanks on your understandings.