- 8 PREMIUM BLACK FILTERS- 40mm High Grade Premium Charcoal NEW Filter that can absorb various impurities
- FITS 40MM MASKS- Fits any standard 40mm respirator mask for Industrial Use, Prepping, Welding, Painting, Emergency, Halloween
- CHARCOAL FILTER USED IN VARIETY OF WAYS- Activated charcoal has been treated with oxygen to open up millions of tiny pores between the carbon atoms. The use of special manufacturing techniques results in highly porous charcoals that have surface areas of 300-2,000 square meters per gram. Charcoals are widely used to absorb odorous or colored substances from gases or liquids
- MANUFACTURED: Made in 2023 and good through at least 2033 Sealed