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Washington — Occupied buildings should undergo at least five clean air changes an hour, according to updated ventilation guidance from the Centers for Disease Control and Prevention.
Chicago — Although a growing number of employers are purchasing air purifiers as part of reopening their workplaces amid the COVID-19 pandemic, one type of the technology might not be as effective as advertised, results of a recent study show.
The AF501 portable HEPA air filter is a compact, efficient unit that delivers air scrubbing/negative pressure air movement capabilities, as well as outstanding air filtration.
