Dust, pet dander, and other types of particulate matter may contain bacteria, viruses, and mold spores, which can grow inside the filter. He says some air purifiers have UVC (Ultraviolet-C) and ionization features that can deactivate or kill these microorganisms, prolonging the filters life and reducing re-exposure risks when replacing the filter
Even though the WHO Framework Convention on Tobacco Control (FCTC)the first international public health treatyrecommends all governments warn people of the dangers of smoking, only 101 of the 182 countries that have ratified the FCTC have evidence-based graphic warning labels
Check out some of the following sizes are 3.25" x 2.0" x 4.75", 3.0" x 1.8" x 4.5", 3.5" x 2.2" x 5.0", and 3.1" x 1.9" x 4.6"
A team of scientists, led by Dr