20 Pcs 2.5 PM Activated Carbon 5 Layers Air Filter

DESCRIPTION

-First layer of spunbond cloth filters micron-level dust

-Second layer filters industrial pollutants, automobile exhaust, second-hand smoke, and pollen allergens

-Third layer of activated carbon cloth filters micron-level dust

-Fourth layer offers filter density for smaller material

-Fifth layer of spunbond cloth filters out all kinds of harmful substances

 -Made in China