Question about Holmes Products Humidifiers

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How many feet does HM3855L Model cover?

What model of Humidifier covers the most area?

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Hi there,
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Posted on Jan 02, 2017



  • 12 Answers

SOURCE: I need the rubber o-ring on the water fill cover

Please call the Venta Customer service team.

If you have proof of purchase the part ( cap) is covered under warranty. If you do not it will cost $13

Posted on Feb 27, 2009


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If you email me at, I can send you a pdf of the manual for this product. I had the same model and was able to remove the fan cover by slightly twisting it and pulling up -- was able to clean the unit very well once I removed the cover! good luck...

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