Axial Fan, Fan, Ventilator, Ventilation, Ventilating Fan, Ventilation, Ventilator Fan, Ventilation, Ventilator Fan, Air Mover Axial Fan, Fan, Ventilator, Ventilation, Ventilating Fan, Ventilation, Ventilator Fan, Ventilation, Ventilator Fan, Air MoverApplication: for loop control ... ,600mm, 2,800mm) and 24 models with different numbers of blades (10pcs, 12pcs, 14pcs, 16pcs)2) Air volume range: 35,000 ...