Our FilterTech® inner is molded to connect into the outer mask and offers 5 layers of material while still being highly breathable:
Outside Meltblown Polypropylene Layer. Outside filter wrapping that offers a base level of filtration.
Active Carbon Layer. Filters gases and reduces odor.
1st Electro Charged Layer. Filters larger PM10, pollen and other allergens.
2nd Electro Charged Layer. Filters smaller PM2.5, dust.
Inner Meltblown Polypropylene Layer. Inside filter wrapping that offers a base level of filtration