The operating pressure range of your mask is 4 to 30 cmH2O.
The operating temperature range of your mask is 5 to 40 °C (41 to 104 °F).
Before using your mask each time, you should:
Inspect it for damage or deterioration. If there is any visible deterioration (cracking, tears, etc.), do not use your mask, and seek replacement part(s) from your healthcare provider.
Inspect the exhaust holes on the Seal . Ensure air is flowing through these holes and do not use if blocked.
Make sure path of air in mask is free from objects that may prevent breathing.
Ensure Elbow Side Vents are not blocked.
⚠️ Note
Please refer to the Warnings and Cautions within this guide. Failure to follow the operating instructions above may compromise the performance and safety of the mask.