M.O.C. : M.S. CRCA with Powder Coted/SS 304. Doors : AI Duty Powder coated with glass. Prefilters : HDPE,Washable Post Filters : HEPA Filtration Eff. 99.99% down to 0.3 micron particle size. Dynamically balanced blower motor assly specially mounted at bottom on antivibration mountings with rexine bellow for low noise & vibration Power Supply : 440 V, AC, 3 Phase, 50 Hz. Available for 2 person/3 person/4 person.