Good news! The data is conclusive: Masks really work! We found this article very helpful describing the different levels of filtration. The conclusion states that the KN95 masks are your best bet for protection. Check out the full article below. Stay safe friends!
Learn how masks really work by clicking here.
Sources:
Washington University in St. Louis: Department of Energy, Environmental & Chemical Engineering and the Center for Aerosol Science & Engineering
Virginia Tech: Department of Civil and Environmental Engineering
Harvard University: School of Public Health
National Institute of Standards & Technology, Material Measurement Laboratory
Bundeswehr University Munich: Institute of Fluid Mechanics & Aerodynamics
University of California: Department of Nanoengineering
Max Plank Institute for Chemistry: Particle Chemistry Department
University of Cambridge: Epidemiology & Modeling Group