NHS White Noise Generator, Care & Cleaning, Page: 7 / 10

Patient Information
How to clean and maintain your white noise generator (WNG)
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To clean the tubes you will need a cleaning wire like this:
1. Twist the tubes anti-clockwise (towards you) to unscrew the tubes off
the aid
2. You can push the green cleaning wire through the end of the tube
and it should come out where the dome is.
Unscrew here