Material: galvanized steel shell, aluminum alloy fan blades, cast aluminum impeller

size :900*900*400mm. Blade diameter: 790mm. Speed: 520r/min. Flow rate: 28000m³/h. Voltage: 380v. Input power: 370w,. Current: 0.9A

size:1060*1060*400mm. Blade diameter: 950mm. Speed: 500r/min. Flow rate: 32000m³/h. Voltage: 380v. Input power: 550w. Current: 1.5A

size:1220*1220*400mm. Blade diameter: 1110mm. Speed: 485r/min. Flow rate: 37000m³/h. Voltage: 380v. Input power: 750w. Current: 2.49A

size:1380*1380*400mm. Blade diameter: 1270mm. Speed: 445r/min. Flow: 44500m³/h. Voltage: 380v. Input power: 1100w Current: 3.75A