www.pcimag.com/articles/96841-industrial-vacuum

Industrial Vacuum
September 4, 2012
VAC-U-MAX: Model 1050 features 100 percent more filter area for increased efficiency, a unique atmospheric blowback system that allows filter cleaning with power on, and larger wheels to deliver superior maneuverability and reduced noise levels. Available for combustible and non-combustible materials, the vacuum is offered with 10 or 15 horsepower. E-mail info@vac-u-max.com.