I have some Oticon Epoq XWs, and I was wondering if the only function of these filters to stop wax from getting into the in-the-ear receivers? My AuDi recommended I change these every three months, but I never even get wax in the filter of my domes, so no wax has ever made it’s way into these NoWax guards. Should I still change them? Do they have moisture filter or something like that too? Thanks for any comments.
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