Spider pattern on front. 3M 1900 Microparticle Performance rating filtration level, Each mask sold is non refundable and new replacement filters or masks in the future. Protect yourself and your family with the highest rating filter. Protects against Household Dust, Lint, Dust Mite Debris, Mold Spores, Pollen, Pet Dander, Smoke, Bacteria, Smog & Virus'. 3M also has a 7 year warranty along with 2 way filtration. For maximum performance replace filter every 3 months, Activated Bamboo Charcoal Filter can be rinsed & reactivated. 1 mask with adjustable strap, 1 Filtrete 3M 1900 Air Filter Square & 1 Re-useable Activated Bamboo Charcoal Filter.
