Perfectly fit with oticon hearing aid: double vent bass domes 10 mm.
Hearing aid domes comes with 2 pack per order, which equals out to a total of 20 domes.
These hearing aid domes fit all ear types, that can be used on behind the ear hearing aids/pocket hearing aids/in-ear hearing aids/sound amplifiers, so you can go on with your life and your everyday activities.
Suggest: Hearing aid domes should be replaced once a month, because the cerumen wax buildup behind the domes.
Important notice：If a perforated eardrum，please don't use the hearing aid domes.