KN95 PM2.5 Filters Pack of 10 (Non Medical)
PM2.5 ACTIVATED CARBON FILTER
Layer 1: Spunbond cloth filters micron-level dust.
Layer 2: Filters industrial pollutants, automobile exhaust, second-hand smoke, and allergens.
Layer 3: Activated carbon cloth filters micron-level dust.
Layer 4: Layer offers filter density for smaller viruses and allergens.
Layer 5: Spunbond cloth filters micron-level dust.
Note: Filter inserts cannot be cleaned and should be replaced every 48-72 hours. When film or sticky sediment stains emerge, please replace the filter.