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KN95 folding dust mask with valve（Comfort and safety ）
High filter efficiency（Filter effect ≥95%, ）
Hive-fold filterting （ 6 protective filter layers）
Hight quality breathable fabric
Cold flow breathing valve
Available multiple times
Block any harmful substances（pollen,cement,heavy metal,bacteria,soot,virus,asbestos,mould） For occupational protection of particulate matter, the filtration efficiency is above 95%
Name: Prevention Masks with Breathing Valve
Color: white,black,gray (random colors)
2/5/10/20/50/100Pcs KN95 mask with breather valve
*measurement allowed error is 1-3cm
*light shooting and different display may cause the color of the item in the pic a little from the real thing