3M™ De-formaldehyde Electret Replacement Filter MFAF306-3

Highlights

• 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
• Honeycomb activated carbon effectively filter formaldehyde, toluene smoke indoor peculiar odor
• The filter cumulative service time should not exceed 6-12 months or 2,000 hrs