Phonak and Unitron have two different types of wax guards. These CeruShield wax guards are made for the ="">="">="">rd-link="linked" data-wpil-monitor-id="374">Phonak 4.0 receivers.
If you have earmolds you need the CeruStop wax guard for the end of your earmold and the CeruShield for the end of the receiver.
These wax guards help you keep your hearing aids clean, moisture free, and working great. They are easy to replace on your own!
The Phonak SlimTip AV Link is a small, clear rubber piece that holds the SlimTip onto the end of a MAV receiver.
This is a specialized piece that needs a little know-how in order to change yourself, but can be done.
How to Change SlimTip: