Smoke Absorber 490 Features: Compact, portable and low noise. 3 layers filteration. Use compressed air, no power supply is required. Cater for 2 workstation. Applications: For absorbing toxic fume generated during soldering process. Specifications: Model No. 490 Height 200mm Diameter 120mm Weight 1.5kg Noise Level 39 db Working Pressure 4 ~ 7 kgsf/cm? Air Consumption 40 litre/min (5 kgf/cm?) Suction Flow 2.3 litre/min (5 kgf/cm