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Cleaning and maintenance
Refer to your mask and humidifier user guides for detailed instructions regarding the care of these
devices.
Daily
Remove the air tubing by pulling on the finger grips on the cuff. Hang it in a clean, dry place until next
use.
Notes:
• Do not hang the air tubing in direct sunlight as it may harden over time and eventually crack.
• Do not wash the air tubing in a washing machine or dishwasher.
Weekly
1. Remove the air tubing from the S9 device and the mask.
2. Wash the air tubing in warm water using mild detergent.
3. Rinse thoroughly, hang, and allow to dry.
4. Before next use, reconnect the air tubing to the air outlet and mask.
Monthly
1. Wipe the exterior of the S9 with a damp cloth and mild detergent.
2. Check the air filter for holes and blockage by dirt or dust. Replace the air filter if necessary.
Replacing the air filter
Replace the air filter every six months (or more often if necessary).
1. Remove the air filter cover from the back of the S9 device.
2. Remove and discard the old air filter.
3. Insert a new ResMed air filter ensuring that it is
sitting flat in the air filter cover.
4. Replace the air filter cover.
Notes:
• Ensure the air filter and air
filter cover are fitted at all
times.
• Do not wash the air
filter. The air filter is not
washable or reusable.
Air filter cover
Air filter
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