Our dust masks are NIOSH approved N95 - the real deal. The cost on them has gone up considerably because of Covid, but we were finally able to even find some to sell you. Wear these to prevent exposure to powders, smoke and, according to the CDC, these are the best mask (better than surgical or cloth) for protection against bacteria and viruses WHEN FITTED PROPERLY TO YOUR FACE so no air leakage around the edges. These masks have a thin metal strip across the bridge of the nose that you can bend to fit your face for a good seal. They also have a foam pad inside for comfort across your nose. Powdered dyes are micro fine and prone to suspend in the air. Sometimes they are so small they are barely visible. The instructions for using these powdered dyes (and most of the books on the subject) recommend the use of a dust mask. Soda Ash Fixative is a powder that is somewhat caustic and should also be mixed when wearing a dust mask. Common sense really dictates wearing a dust mask when mixing any powdered substances. Sold individually or as a case of 20
