RZ F3 Hi-Flow + Active Carbon Filter;

The RZ F3 High-Flo Electrostatic + Active Carbon Filter promotes 40% better breathability than the F1 Active Carbon Filter. This High-Flo filter is a premium replaceable filter that offers a 97% filter efficiency rating against particles as small as 0.1 micron. The F3's outer electrostatic layer traps particles down to 0.1 micron in size such as dust, pollen, airborne particles and most smoke particles. The active carbon inner layer is effective against fumes, odors, and organic chemicals. Pack of 3 filters. For use with RZ Dust Masks. Mask sold separately.