3M Half-Face Mask Respirator *NIOSH Rating: P100 *Respirator Type: Multi-Purpose *Product Type: Half Face Respirator *Color: Blue *Size: M *Number in Package: 1 pc. *Filtration: 95 percent *Packaging Type: Clamshell *Quick Release: Yes *Reusable: Yes *Medium Size * NIOSH Approved * Provides at least 99.7% filtration efficiency against solid and liquid aerosols, including oils * Carbon layer for odor reduction