Phonak - Domes - Power 4.0 - Large 10-Pack batteries Then use your finger to

Then use your finger to carefully pull off the old Phonak dome from the receiver

it cannot be returned

If you have the incorrect size

Wait about 2 minutes before inserting the battery into the hearing aid

but dispose of them as hazardous waste in the special battery containers

Phonak - Domes - Power 4.0 - Large 10-Pack batteries Then use your finger toOur hearing aid domes are pre sized, disposable earpieces that are placed on the hearing aids speaker. The domes help the hearing aid stay in your ear and help protect the receiver of your hearing aid. We stock four different styles open, closed, power and cap, in a range of sizes. To change your domes: Take the hearing aid and hold the receiver tightly Then use your finger to carefully pull off the old Phonak dome from the receiver Take the new