Silent Duct Exhaust Fan with 4 or 6 Inch Options, Strong Airflow Copper Motor, Metal Casing for Kitchen and Bathroom(4” White)

• Strong Ventilation Power: Equipped with an upgraded fully closed pure copper motor reaching up to 2800r/min for fast fume suction and efficient ventilation, helping to keep indoor air fresh and comfortable in kitchens, offices, or meeting rooms.
• Stable Low-Noise Performance: Seven thickened blades deliver strong and uniform airflow, run vibration-free for steady operation, and forestall‌ excessive noise, creating a more pleasant and productive environment.
• Enhanced Build Quality: Metal shell with ceramic paint resists dirt and oil while offering long lasting strength; suitable for heavy use in diverse settings such as restaurants, supermarkets, cinemas, or workshops.
• Flexible Size Options: Available in 4" and 6" pipe vent designs with standard air volumes of 140m³/h and 600m³/h to match various space requirements and installation preferences with ease.
• Easy Installation & Wide Application: Simple setup process allows quick integration with duct systems; general suitability for toilets, internet cafes, waiting halls, and other spaces needing reliable air circulation.

Features: * Strong Ventilation: Upgrade fully closed pure copper motor ( up to 2800r/min) offers fast fume suction, ventilation, keeping the indoor air fresh and comfortable. * Thickened Blades: Seven thickened blades deliver more powerful and uniform air volume, not easy to deform. It runs stably and vibration-free, large air volume while reducing noise. * : The metal shell with ceramic paint is resistant, dirt resistant, oil resistant, 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, . Specifications: Voltage: 220V Frequency: 50Hz Power: 20W,40W Standard Air Volume: 140m³/h, 600m³/h Material: Copper Motor, Metal Shell Size: 4”, 6”, Package Contents: 1 * Powerful Mute Exhaust Fan