Bag of 10 Phonak 4.0 cap domes, one size only. Please note: these domes are only compatible with Phonak Audeo Marvel or Paradise receiver wires.

If your Phonak hearing aid is not an Audeo Marvel or Paradise product, you will need to select the older Open dome (now referred to as 3.0). There are also Phonak 4.0 Open, Vented, Power domes available.

Suggested replacement every 6-10 weeks, depending on use and maintenance. Always ensure that a new dome is pushed firmly onto the receiver wire before inserting into the ear.

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