Get impressions made locally and send them to: The Hearing Club 12717 W. Sunrise Blvd., Ft. Lauderdale, FL 33323 Or if you ever had a custom hearing aid or ear mold from Siemens, let us know the serial number if you have it or when it was made and Siemens should have your impressions on file. Call about our do it yourself impression kit.. Older 2.0 model shown in pic.