Made of Polypropylene Nadiso^®  Flexible Hood is designed to remove gasses, smokes, fumes, smells and dust particles providing high resistance against chemical and highly efficient suck the dangerous gas at utmost safety. The hood is flexibly rotatable up to 360 ° degree while the thumbscrew is easy to install and has strong grip, the three joints of hood and arm is adjustable up to 3.2 meters of distance from the ceiling to the work area. In addition, the exhaust arm exhaustion system can be used for any workstation where harmful substances are present in dangerous concentration