PM2.5 5 Carbon Face Mask Filter. ( 10 Pack )
- 10 Filters Per Pack
- Two Per Individual Pack
- Approximately 5" x 3" in size
- 20% Activated Carbon / 30% Melt Blown / 50% Non-Woven
** Filters usually last about 1-7 days depending how long and often it has been worn. When film or sticky sediment stains emerge, please replace the filter.