Axial Flow Fan, Fan, Ventilator, Ventilation, Ventilating Fan, Ventilation, Ventilator Fan, Ventilation, Air Mover Axial Flow Fan, Fan, Ventilator, Ventilation, Ventilating Fan, Ventilation, Ventilator Fan, Ventilation, Air MoverApplication: air ventilating and exhausting in ... place type2) Fan diameter: 280 - 2,400mm3) Air volume: 2,000 - 650,000m³/h4) Air pressure: 250 - 2,000Pa. ventilation fan