Siemens Pure Manuel D'utilisation page 47

Your hearing instruments have one of the following ear
pieces:
Single Double
dome
Cleaning ear pieces
Cerumen (ear wax) on the dome/
receiver mold/custom shell affects
sound quality.
Clean domes/receiver molds/

custom shells right after taking
the hearing instruments off.
Remove cerumen with a soft

tissue. No other tools are
required.
Receiver
dome
Maintenance and care
Custom shell
mold
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NL
VL
47