ATEX SINGLE-PHASE IND. VACUUM CLEANER A21MX1.3D-A22MX1.3D Model A21MX1.3D-A22MX1.3D is a flameproof vacuum cleaner for industrial environment, having single phase. These vacuums will work for continuous use. The ATEX Version is perfect for all kind of tasks. They are equipped with a side channel blower in order to work. Easy to handle and noiseless, handy these models can be adjusted in small area.