PM2.5 MASK FILTER
Activated Carbon Filter,
5 Layers Replaceable Anti Haze Filter
The PM2.5 replaceable filter is composed of 2 layers of non-woven fabric, 2 layers of melt-blown cloth and 1 layer of activated carbon cloth. 5 layer for better protection.
Breathable & Protection：The disposable air filter replacement contains efficient activated carbon, effectively prevent dust from entering your mouth and face, but allowing you to breathe normally.
Easy to use：The installation steps for this activated carbon PM2.5 replaceable filters are very simple. just put it in the PM2.5 filter opening