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MERV RatingHow Clean is Your Air With This RatingWhat is Being Filtered
MERV 120% of the reachable air is filtered to capture 3-10 microns (µm) particlesPollen, Dust mites, Sanding dust, Spray paint dust, Textile/Carpet fibers
MERV 220% of the reachable air is filtered to capture 3-10 µm particlesPollen, Dust mites, Sanding dust, Spray paint dust, Textile/Carpet fibers
MERV 320% of the reachable air is filtered to capture 3-10 µm particlesPollen, Dust mites, Sanding dust, Spray paint dust, Textile/Carpet fibers
MERV 420% of the reachable air is filtered to capture 3-10 µm particlesPollen, Dust mites, Sanding dust, Spray paint dust, Textile/Carpet fibers
MERV 520-35% of the reachable air is filtered to capture 3-10 µm particlesMold spores, Dust lint, Cement dust, Cooking dusts
MERV 635-50% of the reachable air is filtered to capture 3-10 µm particlesMold spores, Dust lint, Cement dust, Cooking dusts
MERV 750% of the reachable air is filtered to capture 3-10 µm particlesMold spores, Dust lint, Cement dust, Cooking dusts
MERV 870% of the reachable air is filtered to capture 3-10 µm particles, and less than 20% for 1-3 µm particlesMold spores, Dust lint, Cement dust, Cooking dusts
MERV 985% of the reachable air is filtered to capture 3-10 µm particles, less than 50% for 1-3 µm particles, less than 20% for .3-1 µm particlesLead dusts, Auto fumes, Bacteria, Pet dander
MERV 10More than 85% of the reachable air is filtered to capture 3-10 µm particles, 50-64% for 1-3 µm particles, less than 20% for .3-1 µm particlesLead dusts, Auto fumes, Bacteria, Pet dander
MERV 11More than 85% of the reachable air is filtered to capture 3-10 µm particles, 65-79% for 1-3 µm particles, less than 20% for .3-1 µm particlesLead dusts, Auto fumes, Bacteria, Pet dander
MERV 12More than 90% of the reachable air is filtered to capture 3-10 µm particles, 80-90% for 1-3 µm particles, less than 20% for .3-1 µm particlesLead dusts, Auto fumes, Bacteria, Pet dander
MERV 13More than 90% of the reachable air is filtered to capture 1-10 µm particles, less than 75% for .3-1 µm particlesBiological pathogens, Virus particles
MERV 14More than 90% of the reachable air is filtered to capture 1-10 µm particles, 75-84% for .3-1 µm particlesBiological pathogens, Virus particles
MERV 15More than 90% of the reachable air is filtered to capture 1-10 µm particles, 85%-94& for .3-1 µm particlesBiological pathogens, Virus particles
MERV 16More than 95% of the reachable air is filtered to capture 1-10 µm particles, more than 90% for .3-1 µm particlesBiological pathogens, Virus particles
MERV 17More than 99% of the reachable air is filtered to capture 1-10 µm particles, 99.97% for .3-1 µm particles &Biological pathogens, Virus particles
MERV 18More than 99% of the reachable air is filtered to capture 1-10 µm particles, 99.997% for .3-1 µm particlesBiological pathogens, Virus particles
MERV 19More than 99% of the reachable air is filtered to capture 1-10 µm particles, 99.9997% for .3-1 µm particlesBiological pathogens, Virus particles
MERV 20More than 99% of the reachable air is filtered to capture 1-10 µm particles, 99.99997% for .3-1 µm particlesBiological pathogens, Virus particles