3m8247 masks 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 3m8247 masks masks masks 3m8247 3m8247 organic gas masks 3M 8247 R95 respirator 120 / piece [Brand]: 3M [Model]: 8247 R95 organic vapor respirator (Chinese packaging) Specification: 120 / piece Description: 1. Check before each use a mask, make sure it is in good working condition. Check the masks of all components, including two rope, nose clip and fixing nails, broken or missing parts should be found immediately discard the mask. 2. The right to wear a mask, wear masks, and face masks to check the adhesion 3. When the mask is damaged or breathing resistance is too large, please discard and replace with new masks Note: masks should be stored in a clean environment, prevent damage, dirt, dust exposure, direct sunlight, high temperatures and hazardous chemical contamination, etc., during storage but also to avoid the mask deformation. Masks can not use the microwave disinfection, not cleaning.