40PCS KN95 Face Mask Anti PM2.5 Anti Particle Mask Protection Dustproof Mouth Mask Fliters | IPhone Accessories, Spare Parts, Festival Gifts & Party Supplies
Features:
KN95 face mask, the filtering effect is up to 95 percent.
Anti PM2.5, haze, dust and bacteria, etc.
Using advanced environmental materials, the four-layer fabric effectively resists fine particles and bacteria in air pollution.
Three major antibacterial technology, give you more thoughtful protection.

Specifications:
Item type: Face Mask
Air mass flow: 85L/min
Aerosol-particle: NaC1
Aerosol-concentration: 15mg/m³
Temperature: 23.0
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