The F1Active Carbon Filter’s outer layer traps particles down to 0.1 micron, and theinner active carbon layer is effective against fumes, odors, smoke and organicmaterial. Filter material conforms to the NIOSH N99 filter efficiencystandards.
- Neoprene Construction . Tough-duty durability
- 99.9% Replaceable Active Carbon Filters
- Dual one-way discharge valves . Reduce condensation
- Adjustable nose clip .Prevent fogging
- Adjustable Velcro Strap . Universal fit
- Filters tested at Nelson Laboratories, USA