CM MASK 6002A-4 Face Masks Transparent Ear Piece Invisible Nose Clip with Breathe Valve Four Layers of Protection Comfortable Breathe 25 count[Product Information]- BREATHE VALVE---this mask has breathe valve，so when you wear it，it won’t feel hot.
- KN95 FILTER COTTON---on 0.3 micron particulate filtration efficiency of ≥95%
- PE+SPONGE:Built-in nose cilp， adjustment gap，more fit the face，and can to prevent wearing glasses lens fog
- USE FOR:protection in handing and processing of coal，iron ore and minerals including quartz process or automobile，shipbuilding，metallurgy，welding，grinding and other processes by mechanical forces generated 10 times the occupational exposure limit，or in accordance with local regulations the concentration of the following kinds of dust and fog
- DO NOT USE FOR:paint spraying and sandblasting applications or for protection against gases and vapors.Do not use in atmospheres containing less than 19.5% oxygen，as this respirator does not supply oxygen
