RZ Mask Filters - F1 Standard Active Carbon, 3 pack, Rz Industries, Mfr#: 82828

each two-layer filter has been laboratory tested for trapping particulates down to 0.1 microns in size. Standard filter with an outer layer that traps particulates and an inner, active-carbon layer, that’s effective against fumes and odors. 99.9% effective against low-intensity, fumes/odors. Pack of 3 filters. NOTE: RZ Mask Filters are not NIOSH approved.