PM2.5 Activate Carbon Replaceable Filter for Face Masks
PM2.5 Activated Carbon Replaceable Anti Haze Filter. Filters size: 12 x 8 cm/ 4.7 x 3.1 inches
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.
[5 Layer Protection]: 1st layer of cloth filters micron-level dust. 2nd layer filters industrial pollutants, automobile exhaust, passive smoking, and pollen allergens. 3rd layer of active carbon cloth filters micron-level dust. 4th layer offers filter density for smaller material. 5th layer of cloth filters out all kinds of harmful substances
REQUIRES the use of a filter pocket if you want to slip this filter between the 2 layers of the cloth mask. (or you can open up the seam at the bottom of your mask and insert this filter in one of my previously sewn masks)
1. Filter insert can not be cleaned and should be replaced every 1-2 days.