Multifunctional powerful mute exhaust fan, circular exhaust fan. A great choice to efficiently and effectively keep the air clean, fresh, and free from odors and kitchen fumes. It can help reduce the risk of allergies and other respiratory issues, improve air quality, and reduce energy costs. Features: Strong ventilation: Upgraded fully enclosed pure copper motor (speed up to 2800r/min) provides fast fume extraction and effective ventilation, keeping indoor air fresh and comfortable. Thickened blades: Seven thickened blades deliver more powerful and uniform airflow, not easy to deform. Operates stably and vibration-free, ensuring high airflow while reducing noise. High quality: Metal construction with ceramic paint surface resists corrosion, dirt, and oil, providing excellent strength and durability. Wide application: Easy to install, suitable for kitchen, toilet, office, meeting room, restaurant, supermarket, cinema, internet cafe, workshop, waiting hall, and more. This product does not come with a cover. Specification: Frequency: 50Hz Power: 40W Standard airflow: 600m³/h Material: Copper motor, metal Color: Black Package includes: 1 x Powerful mute exhaust fan Note: Please allow slight measurement errors due to manual measurement. Due to differences in monitors and lighting effects, the actual color may vary slightly from the images.