7 Donning
7.3.2
Twin Port
2. Inhale and hold your breath for 10 seconds. Make sure that the facepiece stays
collapsed on your face.
3. Exhale. Make sure that the exhalation valve opens and the pressure inside the
facepiece is released.
4. If necessary, retighten the straps.
1. Use the palms of your hands to seal each inlet to the air filtration cartridges.
2. Inhale and hold your breath for 10 seconds. Make sure that the facepiece stays
collapsed on your face.
3. Exhale. Make sure that the exhalation valve opens and the pressure inside the
facepiece is released.
4. If necessary, retighten the straps.
G1 APR Facepiece
US
24