The Reloin humidifier has a filter under the water feed that's not interconnected with the transducer. It will run without it.
I never tried doing that with a Walgreen unit and don't have one to try it on.
Perhaps there's a way to bypass any interconnects? Put a weight on a lever or switch? Gut the filter?

Ode

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Ode,
I have both the Walgreen ($20.00) and the Omron humidifier($50.00w dsc). They
both are excellent. You say remove the filter on the Walgreen one--I tried, and the
machine will not run. Tell me how you achieved success?! Pete


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