It is made of activated carbon and non-woven melt-blown filter cloth, 5 layers filter system effectively keep away from PM2.5 and a range of airborne contaminants
Easy to put it in the PM2.5 filter opening. 1. Filter insert can not be cleaned and should be replaced every week. 2. When film or sticky sediment stains emerge, please replace the filter
Ideal to protect your mouth and face from Dust, Haze,Allergies,Pollution, Ash, Pollen, Gardening, Crafts, PM2.5, Vehicle Exhaust, Woodwork, Pollen Allergies, and Fumes .
