50 PCS PM 2.5 Activated Carbon Filter Insert Replaceable Anti Haze Filter Paper
Brand: MMBABY
Five-layer Protection：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
Reasonable size: The filter size is about 12 x 8cm, which is compatible with most dust covers and easy to use or replace the original dust cover
Widely Usage：The PM2.5 replaceable filter is perfect for gardening, running, cycling, travel, household,schools, and other outdoor activities etc.