PM 2.5 Filter (10 Pack Refill Only)

PM 2.5 Filter (Disposable; Replace After 48hrs of Total Use)

- 5 Layers: 

1. Non-woven fabric (filters dust microns)
2. High efficiency filter cloth (filters fine particles i.e. airborne allergens smoke, automobile exhaust, second hand smoke)
3. Activated carbon (effectively removes odors and absorbs harmful gases, viruses, and bacteria)
4. High efficiency filter cloth (filters fine particles again)
5. Non-woven fabric (filters any remaining harmful substances) 

- Size: 12cm x 8 cm