Invacare Stratos Pro IRC 1700 Manuel D'utilisation page 28

SECTION 4—MAINTENANCE
Filter Change
CAUTION
DO NOT use cotton or any other material.
DO NOT wash or clean the filter.
Use only Invacare filters.
DO NOT operate without a filter.
The filter must be replaced after approximately 30 hours of
use or when it turns GREY. Open the filter holder to replace
the filter with a new one.
Stratos Pro 28 Part No 1130204
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