3 Inch Duct Fan, High Efficiency Inline Fan Mixed Flow Ventilation System Exhaust Air Fan For Bathroom , Kitchen, Grow ,Energy-Efficient

1. Fashion body design, using ABS material, light and strong, double-layer insulation 2. Scientific and technological achievements of fluid dynamics research Fan blades, high wind pressure, large air volume, high efficiency, low energy consumption, low noise 3. Buckle design, easy to disassemble, fasten and seal, easy to install and maintain 4. Shaded pole motor, using nmb bearing, with a life span of more than 30,000 hours 5. IP44 protection grade, effectively waterproof and dustproof