The system aluminum alloy rail, rail at intervals of a certain distance with a set of pulley, each pulley with imports suction hose a round rubber suction or flat rubber suction. 
 Different forms of aluminum inhale slide to meet the needs of the greater volume of emissions of different diameter and length of the suction hose can be configured according to the site conditions. The inspiratory pulley according to the procedures walking, automatic upgrade, automatic decoupling. 
 Fans and other accessories according to the length of the actual installation configuration. 

 Source of emissions for welding smoke, exhaust, dust, oil mist, fumes and other emissions as produced in the machinery, food, pharmaceutical, chemical, electronics, automotive and other industries, according to the scene of the work requires the preparation of the suction hood plus a large, round, with the type of work lights, side port type, in order to meet customer requirements.