General description The Hearing Aid Domes for MiniFit Open Vent Domes are designed to fit MiniFit hearing aids, including models Nera, Alta, and Alta Pro, as well as other hearing aids equipped with MiniFit speakers. These domes are suitable for all ear types and can be used with behind-the-ear hearing aids, pocket hearing aids, in-ear hearing aids, and sound amplifiers, allowing you to continue your daily activities with ease. Technical specifications Size: 8mm Material: Plastic Package Contents: 2 x Hearing Aid Domes Measurement allowed error: +/- 1-3cm Usage It is recommended to replace hearing aid domes once a month to prevent cerumen (wax) buildup behind the wax guard. If you have a perforated eardrum, do not use these hearing aid domes. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.