Find out how to measure your hearing instrument and match it to the correct size Ear Gear.
Place the base of the hearing aid at zero on the ruler and measure to the top of the curve as shown here.
Generally, the way to choose an Ear Gear size for your hearing aid is by these guidelines:
Hearing Aids up to 1 inch (2.5 cm) - use Ear Gear Micro
Hearing Aids between 1 - 1.25 inches (2.5 - 3.2 cm) - use Ear Gear Mini
Hearing Aids between 1.25 - 2 inches (3.2 - 5.0 cm) - use Ear Gear Original
Hearing Aids between 2 - 3 inches (5.0 - 7.6 cm) - use Ear Gear FM
For most Cochlear and Advanced Bionics, Oticon Medical and Medel Processors...
Use the Ear Gear Cochlear.
For Nucleus 7, Opus 2, Medel Sonnet, and AB Naida Processors...
Use the Ear Gear Cochlear M1.
For most Medel Rondo Processors...
Use the Ear Gear Rondo.
For Medel's Rondo 2, Cochlear's Kanso and Osia Processors...
Use the Ear Gear Rondo M1.
For Baha Processors...
For ITE (In the Ear)
Use the Ear Gear ITE.