20" Industrial Box Aluminum Large 220V High Speed Cooling Fan

20" Industrial Box Aluminum Large 220V High Speed Cooling Fan. Durable Stainless Steel Blades: Made of stainless steel, ensuring dust-free, durable, and high air volume performance. Heavy Duty Motor Options: Features Chinese famous or Siemens motors with IP55 protection and phase lack protection. Corrosion Resistant Components: Die-cast aluminum magnesium alloy pulley and galvanized sheet frame ensure longevity. Wide Application Scope: Ideal for greenhouses, factories, warehouses, poultry farms, and shopping malls. Flexible Customization: Voltage (220V/380V) and frame materials can be customized based on requirements. Certified Quality: Products hold CE, CCC, ISO, and RoHS certificates for safety and compliance.