Protect employees from the effects of pollen, dust, grass, and other nontoxic particles with a durable disposable respirator. Double shell construction. Provides comfortable tight fitting seal. Custom fit nosepiece. N-95 rated. OSHA and NIOSH approved TC-21C-271. Respirator Type: Mask; Rating: N-95; Resistance: Dust; Adjustability Features: Custom Fit Nosepiece.