1.Material: non-woven fabric/high-efficiency filter cotton/hot air cotton

2.Features: with breathing valve, easier breathing, suitable for hot and humid environment or long-term heavy physical labor. It can effectively filter non-oily particles above 0.075 microns, with a filtration efficiency of >95%. The activated carbon layer helps remove organic vapor and odor

3.Ear straps: foldable/head strap folding

4.Applicable to: haze, dust, exhaust, grinding, painting, coal mines

5.Packing: 25 pieces/box, 10 boxes/carton