When the exposed to toxic air, a quality mask and filters can save your life. Here you'll find top-tier protection like the MIRA NBC-77 SOF 40 mm filter, packing a 20-year shelf life and certified CBRN defense, ready for any threat. These masks and filters are built to block toxic vapors, particles, and biohazards, while standing guard for decades. Rugged enough for heavy use yet comfortable to wear, our range of masks and filters and engineered for the threats you can’t see.