Application: Ventilation of corrosive gas with acidic/alkaline contents for plant workshop Performing as component of equipments in chemical lab for ventilation of all kinds of gas Ventilation for biological lab Ventilation for odorous gas for purifying equipments Fan for coastal areas subject to decomposition and corrosion due to dampness Volume Range: 500-10,000m3/h Static Pressure Range: 250-2,000pa Production Features: Compact design profiled through heated pressurized molding and welding, with smooth performance curve, wide high-efficiency range and steady performance.