Blue M humidity Tester.
Comes with extra filters (new) Purchased for one project but does not produce humidity.
Tank pump works, chart seems to work. Powers up.
In very nice condition. If you know this model, its a steal
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BLUE M Humidity Tester Chamber
$23.76
94
All returns accepted: ReturnsNotAccepted
Condition: Used not working
Brand: Unbranded
MPN: Does Not Apply