PM2.5 Face Mask Filter Activated Carbon Anti Pollution (100pcs)

Adult PM2.5 Activated Carbon Filter 5 Layers Replaceable Anti Haze Filter Paper

1 pack x 100 filters. Cello wrapped in lots of 10.

Filtration technology: Made of activated carbon and non-woven melt-blown filter cloth, five-layer filter system effectively keep away from PM 2.5 and a range of airborne contaminants.