Yep, that is a concern. Most don't appear to have decibel rating, just say Super quiet, honest.
I've got a couple at the clinics I look after. Expensive medical versions and they aren't at all quiet I'm afraid. After all they have to chew up what ever goes down the pan and pump it away.
@Mr_Sworld started
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Yep, that is a concern. Most don't appear to have decibel rating, just say Super quiet, honest.