O2 Armor is made from a medical grade plastic which supports a trusted 3M filter media that effectively captures up to 99% of smoke, dust, lead dust, airborne sawdust, allergens, pollution, germs and viruses measuring down to less than 2.5 microns (PM2.5) in size. Each package includes three O2 Armor Brand Filters in a convenient travel case.
What Size Do I Need?
Tall people should try the Extra-Large or Large.
Mid-sized people should try Large or Medium.
Smaller people should try Medium or Small.
Young people should try Small or Extra Small,
Children’s use should be supervised by a parent.
Filters are small and pose a choking hazard.
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