PM 2.5 stands for particulate matter 2.5 (PM ). These five-layer activated carbon filters can filter PM2.5 haze, dust & other small particles. Use them with our pocket & accordion face masks for added protection.
- 1st Layer - Non-woven fabric
- 2nd Layer - Melt blown cotton
- 3rd Layer - Activated carbon fiber
- 4th Layer -Melt blown cotton
- 5th Layer - Non-woven fabric
- Layers: 5
- Size: 4 5/8 inch x 3 1/8 inch
- Sold in 5 packs of 2 filters each = 10 filters
- Filter cannot be cleaned and should be replaced weekly
- For your protection, filters are non-returnable