Do not use bleach, chlorine-, alcohol-, or aromatic-based, which including all
scented oils, moisturizing or antibacterial soaps to clean the cushion, mask or
air tubing. These solutions may cause hardening and reduce the life of the
product.
Do not wash or dry the mask or air tubing at a temperature above 70°C (158°F)
Do not use any cleaner containing fragrance or conditioners as they will leave
a residue.
4-4. Replace Air Filter
For an optimal operation of the device, the Ultra filter is disposable and should be replaced after 30
nights of use or sooner if it appears dirty; however, depending on the air quality, the replacement time
may vary.
1. Open back cover and remove the dirty filter from the enclosure on the rear of the device.
2. Replace a new filter and close back cover.
The Ultra filter is not washable or reusable.
Only APEX-supplied filters should be used as replacement
filters.
Dirty air filter may cause high operating temperatures that
affect device performance.
Disassembly Steps:
Find the position of the filter in the picture and pull out the lid. Remove the filter and replace it.
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