Particle density is a concern for a variety of sites and applications, especially in regards to the number of microorganisms present in the air. In these instances, turn to the industry standard "Andersen-type" viable impactor from New Star. Viable impactors collect and enumerate microorganisms in a diverse group of settings including hospitals, food processing areas, animal laboratories, clean room efficiency studies, and more. The N6 impactor was developed by the National Institute of Occupational Safety and Health (NIOSH), and is relied on by Federal and State regulatory agencies, universities, research facilities, industry, and indoor air quality consultants as a dependable viable impactor.