Mainstays 2.2 L Ultrasonic Humidifier

1 Ultrasonic humidifier


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Description & Features+

The 2.2L Ultrasonic Humidifier quietly produces a visible, cool mist that helps make you and your home more comfortable.
• Rotatable output nozzle for targeted coverage
• Mist volume adjustable with rotary dial


Available for Shipping to Canada Post
Assembled Height
9.4 in
Assembled Length
8.5 in
Assembled Weight
1.75 lb
Assembled Width
6.9 in
Moisture Settings
Output per Day
2.2 l
Supplier Warranty Type
1 year limited warranty
Product Identifiers
Walmart Item #

From the Manufacturer +

Ratings & Reviews+

Mainstays 2.2 L Ultrasonic Humidifier is rated 3.1 out of 5 by 9.
Rated 5 out of 5 by from Cool mist! Just bought this cool mist humidifier to see how well it worked and it is great! Easy to fill and lasts all night. It is also very quiet! The dial allows for as much or as little mist as preferred. I love it and will buy a few more for around the house
Date published: 2016-11-19
Rated 1 out of 5 by from Not Impressed Bought this item about 2 months....Within a month switch started not working all the time, then just 3 days it just wouldn't turn on, water managed to drip into electrically compartment and fired the guts of it.....Won't Work at all now
Date published: 2017-02-18
Rated 1 out of 5 by from Not great Well it worked for about 2 weeks. Then nothing. The light went from green to red. And water began to seep through the motor's grill on the bottom of the item. That's not normal. The water jug doesn't come off easily and I always had to remove the jug over a sink unless I wanted to get myself and my bedroom floor wet. Small water capacity.
Date published: 2017-01-24
Rated 3 out of 5 by from Cheap and works It is cheap and works. I use the max setting and it lasts around 10 hours which is perfectly fine for me. Issues that I have with this is that when you set the tank back onto the stand, you may have to take it off and put it back on a few times because it often will not set properly and will run extra loud. The machine otherwise has a slight hum that is relatively quiet.
Date published: 2017-01-12
Rated 1 out of 5 by from Does not work. I received it on time but it does not work. It does not produce any mist(I checked: there is sufficient water in it, and LED light is green.). Will have to return it to a Walmart store after work today.
Date published: 2017-01-03
Rated 5 out of 5 by from Best little humidifier I bought this little humidifer a wk ago & I do not regret it. I have bought & returned the high end humidifiers & returned them because of one thing or another. This one does everything it says it does & more. Easy to clean (5 min) before refilling again lot of steam, u control it. Am going to go out & buy another for my other bedrm.
Date published: 2016-11-25
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