This mobile unit is based on the mechanical DuraFilter system. It is designed for infrequent to regular dry welding activities.

MFDs are mobile extractors. They remove weld fumes and grinding dust directly from the source. A DuraFilter system is mounted on the mobile unit, which can be equipped with a plastic extraction arm, such as the Flex or UltraFlex, or a flexible hose. For welding on the spot, mobile units are ideal. Standard on the system is a filter indicator, which shows if the extraction is still satisfactory or if the filter needs to be changed.