Omega Class 100,000 Cleanroom Vacuum. The Atrix Omega Supreme Cleanroom Vacuum with HEPA filtration is an excellent choice for clean areas or class 100,000, ISO8 cleanrooms. The main HEPA filter is a one gallon dry particulate HEPA filter and all of the utensils store in the cover, making this self contained vacuum system portable and easy to store. In addition, the Omega Supreme Cleanroom vacuum has a built in HEPA exhaust filter for trapping carbon particles that are being emitted from the motor brushes. Last, the vacuum is manufactured to drain static voltage to ground, making this vacuum safe to be used for cleaning in and around static sensitive electronic equipment. True HEPA Filter (99.97% efficiency at .3 micron). ESD (Static) Safe-Provides static path to ground. EMI/RFI Line Noise Filter. Powerful 1,000 Hour Motor. Exceeds Class 100,000, ISO 8. HEPA Exhaust Filter-for carbon dust particles. Warranty: 18 month Limited. Black.