RZ Mask F1 Active Carbon Filter Mask - 12 Pack - 25608 - Gray - Large

The F1 standard RZ Mask filter consists of two layers. The first layer is our 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.
The best part? All RZ filters have been laboratory tested to be up to 99.9% effective!