Deodorizing mask, 10 pieces, Masky MD, 1 box (10 pieces)

Specially treated activated carbon fibers are effective against odors of formaldehyde, ammonia, hydrogen sulfide, methyl mercaptan, and organic solvents. Performance with activated carbon (reference value based on manufacturer's internal measurements) Deodorizing performance against formaldehyde (※1): 40 min (breakthrough standard 0.1 ppm at a concentration of 0.5 ppm) Deodorizing performance against xylene (※2): 43 min (breakthrough standard 5 ppm at a concentration of 20 ppm) Quantity: 1 box (10 pieces) *Do not use in environments where gas masks, dust masks, etc. are required by law. Be sure to use in environments below the permissible concentration.