Multifunctional Powerful Mute Exhaust Fan,Circular Exhaust Fan Product A great choice to efficiently and effectively keep the gas clean & fresh and free from odors, kitchen fumes. It can help reduce the risk of allergies and other respiratory illnesses, improve gas quality, and reduce energy costs. FEATURES Strong Ventilation: Upgrade fully closed pure copper motor (speed up to 2800r/min) offers fast fume suction, ventilation, keeping the indoor gas fresh and comfortable. Thickened Blades: Seven thickened blades deliver more powerful and uniform gas volume, not easy to deform. It runs stably and vibration-free, ensuring large gas volume while reducing noise. High Quality: The metal with ceramic paint surface is corrosion , dirt , oil , and provides excellent strength and durability. Wide Application: Easy to install, suitable for kitchen, toilet, office, meeting room, restaurant, supermarket, cinema, Internet cafe, workshop, waiting hall, etc. This product does not come with a cover SPECIFICATION Frequency: 50Hz Power: 40W Standard gas Volume: 600m3/h Material: Copper Motor, Metal Color: Black Package Includes: 1 * Powerful Mute Exhaust Fan NOTE Please allow slight measurement errors due to manual measurement. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color shown in the pictures.