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1. 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.
3. Adjust the strap tension by pulling the straps as shown (3a). Strap tension may be decreased without
removing respirator from the head by pushing out on the back of the buckle (3b).
4. Place your fingertips from both hands at the top of the metal nosepiece. Using two hands, mold the
nose area to the shape of your nose by pushing inward while moving your fingertips down both sides
of the nosepiece.
! Pinching the nosepiece using one hand may result in improper fit and less effective respirator
performance. Use two hands.
5. Perform a User Seal Check prior to each wearing. To check the respirator-to-face seal, place both
hands completely over the respirator and inhale sharply. Be careful not to disturb the position of the
respirator. A negative pressure should be felt inside the respirator. If any leakage is detected, readjust
the position of the respirator according to Steps #3 and #4. If you CANNOT achieve a proper fit, DO
NOT enter the contaminated area. See your supervisor.
Removal Instructions
See step 3b of Fitting Instructions and decrease strap tension as described. Cup respirator in hand to
maintain position on face and pull bottom strap over head. Still holding respirator in position, pull top
strap over head and remove respirator.
NIOSH Approved: N100
At least 99.97% filtration efficiency against solid and liquid aerosols that do not contain oil.
This respirator contains no components made from natural rubber latex.