200mm External Rotor Axial Fans Industrial Axial Exhaust Fans for Factory Farms Ventilation

200mm External Rotor Axial Fans Industrial Axial Exhaust Fans for Factory Farms Ventilation. CE Certified Quality: Passed EU CE certification with strict QC system in every process. Flexible Customization: Supports full customization, minor changes, and design-based options. Long Service Life: Durable design with a lifespan of 3 to 10 years depending on usage. Quiet Operation: Low noise level around 45-50dB(a) for comfortable environments. Free Warranty Service: One-year warranty with free replacement and freight coverage for defects. High Efficiency Motor: YWF series motors with IP44 protection and ball bearings.