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KN95 folding dust mask with valve（Comfort and safety ）
High filter efficiency（Filter effect ≥95%, ）
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