NBC-77 SOF CBRN Gas Mask Filter
40mm NATO Threading & STANAG Standard — These Filters Protect You From Highly Toxic Substances and CBRN Agents
Particlemax P3 Virus Gas Mask Filters (6-Pack)
Protect Yourself From Carbon Monoxide & Smoke Inhalation with These Filters' Enhanced CBRN Filter and Full-Spectrum Filtration
VK-450 CO/CBRN Gas Mask Filter
Protect Yourself From Carbon Monoxide & Smoke Inhalation with These Filters' Enhanced CBRN Filter and Full-Spectrum Filtration