The cleanest ductwork only with M1 cleanliness class
Our circular Z275 ducts, fittings and dampers (see certificates below) have the classification mark cleanliness M1, which ensures that classified products:
- will not increase the concentration of contaminants that are detrimental to health or comfort in the air handling system
- will not produce odours, or gases or particulate contaminants that decrease the quality of supply air
- will make the process of ductwork cleaning easier,
- improve Indoor Air Quality (IAQ).