Filtrete Premium Allergen Bacteria & Virus Room F2 Air Purifier Filter

Filtrete™ Premium Allergen, Bacteria, & Virus filters come packed with True HEPA filtration. True HEPA is a high-performance level of air filtration that can remove 99.97% of all airborne particles that pass through the filter, including dust, allergens, bacteria and viruses.

Disclaimer: as small as 0.3 microns, from the air passing through the filter media. Initial efficiency value.