3M N95 Instrucción De Usuario página 22

FITTING INSTRUCTIONS:
1. Keep elastic strap fl at (untwisted) and thread
the top elastic strap through the top buckle.
Repeat for the bottom elastic strap. Place the
bottom elastic strap around the head, just
below the ears. Untwist the strap.
2. Pull the top strap over your head, resting it
above the ears at the top back of your head.
Untwist the strap.
Must be followed each time respirator is worn.