The F1 is the standard RZ Mask filter, consisting of two layers. The first layer is a highly effective particulate filter, trapping particles down to .1 micron in size. The second layer is an Active Carbon Element, which helps to reduce harmful fumes and odors. All RZ filters have been laboratory tested to be up to 99.9% effective!
- 99.9% PROTECTION: Filtering up to 99.9% of particulates down to .1 micron in size!
- WIDE-RANGE OF USES: Best-in-class filter protects against dust, allergens, odors, pollutants, and other airborne particles.
- ODOR REDUCTION: Active Carbon Element reduces odors and fumes.
- LAB TESTED: Independently tested at Nelson Laboratories in Salt Lake City, UT.
- THREE SIZES: Three filter sizes match our three mask sizes – Medium, Large, and Extra Large.