2. While holding the respirator in place, slip     the head harness over your head.

3. Adjust and tighten the head harness straps     until the respirator fits snugly to your face.     The best way to tighten a respirator is to     tighten the straps from the bottom up.

To be sure that you know how to don the respirator properly, you should demonstrate donning the respirator to your supervisor or safety professional.

NOTE: Always check the guidelines provided by the manufacturer before donning, fitting, and using your respirator.