Profile: Hearing Research Institute, Inc. specializes in hearing aid batteries. We produce rayovac ultra proline hearing aid batteries. Our hearing aids include power, size & digital programming. The size includes the completely in the canal, in the canal, in the ear & behind the ear.
5 Products/Services (Click for related suppliers)
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• Ear & Hearing Protection |
• ENT Telephone Accessories |
• Hearing Kit Accessories |
• Hearing Protection Kits |
• OSHA Compliant, Hearing Protection Kits |