Dental Medco surgical mask, one bag (four masks per bag) made in Canada

Dental Medco surgical mask.   FOUR masks per bag.  Head and neck strap for a secure fit.  Over 99.9% bacterial filtration efficiency.  ASTM level III mask.   Regular ear loop elastics.  For professional use only.  Not to be used on children or infants.  Do not use in the presence of a pre existing respiratory condition.   Made in Canada.  Not for export sale.