A337 is an ideal vacuum cleaner for industrial usage. Its compact size and power of aspiration, in fact in only 46x100x100 (h) cm of space it contains a side channel turbine three-phase 2.2 KW able to operate 24 hours on 24 to suck dust and residues in industrial work environments . This vacuum cleaner has been designed, engineered and built in compliance with the European charge EN 60335-2-69 as per vacuum cleaners and is also accessible in accordance with Charge 94/9 / EC for operation in ATEX 2-22 classified zones . The cleaning of the 29-liter tank is fast process credit to its design and quick release system, & filter cleaning by manual shaker makes it a perfect choice in all the industrial environments.