03-16-2017, 02:38 PM
RE: CPAP FILTER, CHANGE OR NOT TO CHANGE
Once a month and they turn from white to light gray. I do not think S9 or 10 filters are washable?
On a side note. I recently spent (3) weeks in India & Nepal in 5-Star hotels and the filter changed from white to coal black!
On a side note. I recently spent (3) weeks in India & Nepal in 5-Star hotels and the filter changed from white to coal black!