Can air be certified? No, it probably cannot, but the products and solutions used in air handling units can. We view the ISO 9001 certification as an indispensable requirement. As well as the As well as the Atex Certification which guarantees the quality of our Damper Code SER 100 ATEX. Moreover, we believe that compliance with REACH and RoSH means achieving a level that few can boast. We are concerned with, and pay special attention to, sectors requiring absolute hygiene, such as the hospital, pharmaceuticals and food sectors.