PM2-5 Replaceable Activated Carbon Filter 5 Layers Anti Haze Filter Paper for Adult-60pcs-

Product name: PM2.5 activated carbon filter Material: 1*activated carbon, 2*non-woven fabric, 2*95 grade meltblown cloth Advantage: Melt blown cloth grade is higher than most products on the market, 5 layers filter system effectively keep away from a range of airborne contaminants. Note: 1. When a film or sticky sediment stains emerge, please replace the filter. 2. Filter inserts can not be cleaned and should be replaced every day for getting the best protection.