Bionaire humidifier wick filter 900 Fits Various Models

What to say? It's a filter. It works much better than the mineral encrusted old one.

I tried the filters immediately. They were the right size for my humidifier. . the filters arrived earlier than expected.

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You need this filter to be able to use the humidifier to moisten the air at whatever setting you put the humidifier at.The filter wicks effectively & I rinse/clean mine in spring to reuse twice more.

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