These filters are interchangeable with the NoWax filters per Oticon on July 4th, 2013.
Change these filters regularly as they can fill up with wax and/or other non-visible debris and block the sound from your hearing aid..
These are recommended by Oticon, please see their website for videos on changing these filters.
NEW 6-pack of ProWax filters for Oticon RITE hearing aids. Total of 36 filters per order. Now shipping the new ProWax filters that replace the older NoWax versions. Keep your hearing aids in top working condition by changing these wax filters regularly.