RZ Mask - F1 Mask Filter (3 Pack)

PLEASE ENSURE YOUR FILTER SIZE MATCHES YOUR MASK SIZE  F1 STANDARD ACTIVE CARBON FILTER: 3/PACK The F1 is our standard RZ Mask® filter, consisting 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! FEATURES:+ Best-in-class filtration with 360-degree seal+ Active Carbon Element reduces odors+ Filters up to 99.9% of particulates down to .1 micron in size (400 times smaller than a human hair)!+ Independently tested at Nelson Laboratories in Salt Lake City, UT+ Performance far exceeds that of homemade masks, bandanas, cloth masks, and paper masks Common F1 uses: Low intensity, dust/fumes/odors/smoke/pollen.   Be sure you choose the filter size that matches your mask size: Medium Filter = Medium MaskLarge Filter = Large MaskX-Large Fil