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The Everlasting Comfort 4L is a filterless ultrasonic humidifier that runs up to 40 hours on a full tank, aimed at bedrooms, nurseries and medium rooms. It adds an essential oil tray for aromatherapy and shuts off automatically when the tank empties. Against rivals it trades smart features and a top-fill design for a large tank, quiet running and no filter to replace. Owners rate it well overall, though some report mist output fading and tanks that are awkward to clean.
In stockSold by WOUND & BEAUTYReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Ratings are solid at 4.3 out of 5 from over 1,300 buyers. Most praise the long runtime, quiet operation and filterless design; the recurring complaints are weak mist output and a tank that is hard to clean.
The Everlasting Comfort 4L Cool Mist Humidifier is an ultrasonic humidifier with a 4-liter tank. It adds moisture to the air in bedrooms, nurseries and medium-sized rooms, and it runs for up to 40 hours continuously.
It is quiet and filterless. An essential oil tray lets you add aromatherapy. The humidifier shuts off automatically when the tank runs dry.







