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3. Mask Cushion - Grasp the top and the bottom of the mask cushion, and pull it off the
mask frame i.
Note: Do not pull the mask cushion by the nostril cushion opening.
4. Quick Release Tube - Squeeze the quick release tabs. Pull the tube away from the mask
frame j.
Assembly
1. Headgear - Thread the headgear straps through the mask frame slots and headgear
clips.
2. Headgear clips - Push the headgear clips onto the mask frame.
3. Mask Cushion - Grasp both sides and push it onto the mask frame.
4. Quick Release Tube - Push onto the elbow until the quick release tabs click into place.
Philips Respironics System One Resistance Control
Your mask when combined with a Philips Respironics System One device, provides
optimal resistance compensation. This mask value is X1 and should be set by your
provider. Notes:
• Compare the mask to the device. See your device manual if the values do not match.
• System One is not compatible with masks that use a separate exhalation device.
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