F1 Mask Filter - Carbon - 3PK - Medium
F1 Mask Filter consists of two layers: particulate filter and Active Carbon Element, Best-in-class filtration with 360-degree seal, Active Carbon Element reduces odors and fumes, Surpasses the N95 standard, filtering up to 99.9% of particulates down to .1 micron in size (400 times smaller than a human hair), One-way discharge valves reduce moisture, Superior protections and won't fog glasses, Common uses: low intensity dust/fumes/odors/smoke/pollen, Choose the filter to match mask size, Sold in packs of 3 or 12