The FDA has cleared the Defend 400 (NV 400) as a 510(k) Class II Medical Device to filter out and inactivate airborne viruses and bacteria for medical purposes within small to medium-sized rooms. The NV 400 uses NanoStrike™ Technology combined with a triple-stage Camfil® filter system to provide a combined solution for air disinfection and particle removal. It inactivates aerosolized viruses, bacteria, and fungi and purifies the air of pollen, particulate matter (PM), volatile organic compounds (VOCs), and odors. The NV 400 is a free-standing, portable recirculating air cleaning system designed for continuous 24/7 front-line protection in healthcare settings to provide airborne infection control where the risk of Healthcare-Associated Infections (HAIs) and Surgical Site Infections (SSIs) are at their highest. The NV 400 is UL 2998 and CARB validated for zero ozone and UL 867 safety certified. Medium Spaces Dental Operatories, Operating Rooms Dimensions: 33.7" h x 15.0" w x 15.0" d Weight: 56.7 lbs Noise Level: Speed 1: 38 dB Speed 2: 44 dB Speed 3: 54 dB Speed 4: 59 dB Speed 5: 63 dB Non-Latex Shelf Life: 1826 days