At 3M, we discover and innovate in nearly every industry to help solve problems around the world.
Effectively filter smaller than PM2.5 800 times 0.003um viruses, bacteria, allergens and particulates
Virus# removal 99.99% and bacteria removal >99%*
3M™ Electret technology effectively filter indoor air particulates without producing ozone & other harmful substances
3M™ De-formaldehyde Electret Replacement Filter MFAF306-3
#H1N1 *Tested using Staphylococcus Allbus