Siemens Motion SX binax User Manual page 8

You can use standard ear pieces together with a standard
tube (LifeTube, ThinTube) or custom-made ear pieces
together with an earhook and tube.
Standard ear pieces
You can easily exchange the standard ear pieces
and clean the standard tube. Read more in section
"Maintenance and care".
Custom-made ear pieces
Examples:
8
LifeTip open or closed
LifeTip semi-open
LifeTip double
Size