3M™ Allergen, Bacteria and Virus AC Filter-4 Sheets Pack (9809-4PK)
Product Description
Outperforms ordinary air conditioner filters by at least 90X
Certified as asthma & allergy friendly: Captures 97% PM2.5 particles
Tough on Bacteria & Viruses: Covid 95%, H1N1 97%
Upgrade material import from US