Grasp nosepiece at the top of mask with one hand. Slide finger
of other hand behind chin piece.
Open mask by pulling down and out on chin piece until mask is
fully open. Place chin in pocket created. Stretch bands over
back of head, positioning bottom band behind neck below ears
and top band near crown of head.
Conform nosepiece to nose and face contours making sure Magic
Arch â is fully extended providing maximum clearance from
nose and mouth