Strong stream of compressed air. Removes dust and other loose dirt. Not suitable for use on live equipment - risk of fire! For use on office and computer equipment. electromechanical devices. electrical units. electronic components. printed circuit boards. coin-operated mechanisms and precision instruments. Clean. dry and oil-free. Leaves no residue. Safe for coating materials. plastic surfaces. From a distance of 5 cm, the air flow speed is 105 km/h.