20FT Industrial-Grade Big Hvls Ceiling Fan for Warehouses and Factories

20FT Industrial-Grade Big Hvls Ceiling Fan for Warehouses and Factories. Energy Saving: Saves about 90% energy compared to common small fans with low power consumption. Safety Protection: Five layers of safety protection measures ensure the fan will not fall. Maintenance Free: Lifetime maintenance free with no lubricating oil and no gears required. Durable Material: Aluminum alloy blades with 2mm thickness, high rigidity and corrosion resistance. Efficient Motor: PMSM motor with IP55 rating, high transmission efficiency and fast heat dissipation. Quality Certified: Certified by ISO, CE, and CCC with 4 QC inspections before delivery. Fast Delivery: Lead time within 10 days after order confirmation for quick deployment. Low Noise: Simple structure and VFD protection effectively suppress noise and vibration.