N-99 Protective Mask Cold Weather Gear making it specifically designed for

making it specifically designed for cold weather (20-50°F range) versus the standard version for moderate temperatures

you need the 552 HWS (AA powered

Blade Finish: Black Oxide Coated

eye trauma

N-99 Protective Mask Cold Weather Gear making it specifically designed forEveryday respiratory protection. This reusable N99 mask filters 99% of airborne particles 0. 1 micron and largerincluding smoke, smog, dust, pollen, mold spores, and airborne viruses. The 5 layer activated carbon filter provides protection against particulates and odors, while dual one way exhale valves reduce heat buildup and breathing resistance. Lightweight nylon mesh construction with adjustable aluminum nose piece and head strap for a secure,