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User Manual
3. Remove the filters from the enclosure as shown in Figure 9–2. e top filter is the reusable gray foam
filter. e bottom filter is the optional disposable, white, ultra-fine filter.
Reusable Gray
Foam Filter
Disposable
Ultra-fine
Filter
Figure 9–2 Removing the Air Filters
4. Check the filters to see if they are dirty or torn.
5. If needed, wash the foam filter in warm water and a mild detergent. Rinse the filter thoroughly to
remove all detergent residue. Allow the filter to completely dry before reinstalling it. If the foam filter
is torn, replace it.
6. If the ultra-fine filter is dirty or torn, replace it.
7. Reinstall the filters, with the ultra-fine filter on the bottom. Slide the filters into the air inlet at the rear
of the device and push them down into the recess.
8. Replace the filter cap. Contact your home care provider to order additional filters.
NOTE: To clean the breathing circuit accessories, refer to each accessory’s instruction sheet.
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