Sonic Innovations Tubes and domes are essential parts of Sonic Innovations Open-Fit hearing aids. Replacement Tubes and Domes not only look and feel better but they also help your Open Ear hearing aids fit better. Your Tubes and Domes should be replaced about once every three months, for your hearing aid to work it's best.

ReSound Sound Tubes and Domes work nicely for Sonic Innovations Ion hearing aids.

Tubes and Domes are sold separately