The mask is made by 8M, which is a take off of the company 3M.
The writing on the mask says: WARNING This respirator helps protect against certain particles. Misuse may result in sickness or death. For proper use see supervisor or...or call 3M ...1-800-247-3941 8M 8210 Plus 1195. This is a near word for word warning found on real 3M masks.
The phone number 1-800-247-3941 is an actual 3M phone number.