Total Culturable Fungi
and Bacteria Exiting
the Duct System

The AirPal Spectra air purifier was tested for air purification in 17 case studies by Environmental Compliance Solutions of Troy, MI. After a two-week period air purification, the AirPal Spectra air purifier reduced airborne fungi (mold) and bacteria to an average level of 2.6 CFU's — an 84% reduction. Levels above 5 CFU's are typically considered unhealthy. Sampling Method: Culture plate attached to supply register for 15 minutes with blower on.