Costway 4L Ultrasonic Humidifier with 2 Mist Levels 12H Timer Sleep Mode for Large Room
Costway 4L Ultrasonic Humidifier with 2 Mist Levels 12H Timer Sleep Mode for Large Room
Hero image 0 of Costway 4L Ultrasonic Humidifier with 2 Mist Levels 12H Timer Sleep Mode for Large Room, 0 of 10

Costway 4L Ultrasonic Humidifier with 2 Mist Levels 12H Timer Sleep Mode for Large Room

|5 ratings

Key item features

  • Large Capacity & Adjustable Mist Output: Equipped with a 4L/1 gallon water tank, this humidifier for large room can release cool and clean mist for up to 24 hours. And there are 2 adjustable mist levels for you to choose from: 160ml/h (Low), 210ml/h (High). Moreover, the intelligent humidification maintains the desired humidity level you set.
  • 360° Nozzle & Essential Oil Diffuser: With a 360°rotatable mist nozzle design, this humidifier can efficiently humidify the whole room. Antibacterial balls in the water tank make the mist clean and BPA-free. What's more, you can add your favorite essential oils to the aromatherapy box to relax your mind while doing yoga, reading books, etc.
  • Ultra Quiet Operation & 12H Timer: The 38dB low noise operation and 0-12 hour smart timer allow you to sleep peacefully without disturbance while enjoying soothing humidity. Besides, the frosted LED display will automatically dim in sleep mode and go off after 30s.
  • Easy to Operate & Add Water: This humidifier features a touch control panel & LED display for you to easily set power, timer, mist output, humidity (40% -70%)and sleep mode. The top-fill design is convenient for adding water and cleaning. Plus, the visible water level gives you thoughtful instruction to add water.
  • Wide Range of Application: This 4Lhumidifier is a perfect humidification solution for your bedroom, living room, nursery, etc. It helps moisturize skin, improve sleep, mist plants and more. What's more, with a compact & portable design, this humidifier can be used anywhere you need.
Current price is $41.99$14.00/ea
Price when purchased online
Out of stock

How do you want your item?

How do you want your item?
Out of stock

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

2.6 out of 5 stars
stars5 ratings3 reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 3 reviews

Mar 18, 2025
Sam shops
5 out of 5 stars review

Seller Verified Purchase

The next best humidifier

Love it. It's not noisy and it can hold a lot of distilled water.

International review
Review from walmart.ca
Helpful?6C71FQQIK6LK2787338777
Dec 17, 2025
Harold
1 out of 5 stars review

Seller Verified Purchase

garbage bought two inlast year bought lasted five

bought twice in last year and don't work

International review
Review from walmart.ca
Helpful?6C71FQQIK6LK2787338777
Jun 24, 2025
Walmart customer
1 out of 5 stars review

Seller Verified Purchase

Not good

It stopped working just another day

International review
Review from walmart.ca
Helpful?6C71FQQIK6LK2787338777