Everlasting Comfort 4L Cool Mist Humidifier for Bedroom, Black – Filterless, Quiet Ultrasonic Humidifier with Essential Oil Tray
Everlasting Comfort 4L Cool Mist Humidifier for Bedroom, Black – Filterless, Quiet Ultrasonic Humidifier with Essential Oil Tray
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Everlasting Comfort

Everlasting Comfort 4L Cool Mist Humidifier for Bedroom, Black – Filterless, Quiet Ultrasonic Humidifier with Essential Oil Tray

1,387 ratings

Key item features

  • Extended Operation: Features a 4-liter tank providing up to 40 hours of continuous cool mist, suitable for rooms up to 300 square feet.
  • Effortless Maintenance: Designed filterless, eliminating the need for filter replacements and associated costs.
  • Quiet Humidification: Utilizes ultrasonic technology to produce a cool, quiet mist, ideal for bedrooms and nurseries.
  • Aromatherapy Integration: Includes an essential oil tray for adding fragrances, creating a soothing and refreshing atmosphere.
  • Enhanced Safety: Automatically shuts off when the water tank is empty, ensuring peace of mind during use.
  • Sleek Aesthetic: Presented in a black color, offering a compact and modern design that complements various home decors.
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Specs

Humidification method, UltrasonicCoverage area, 300 sq ftRun time, 50 hVolume capacity, 4 galDispensing temperature, Cool MistBrand, Everlasting Comfort

About this item

Product details

The Everlasting Comfort 4L Cool Mist Humidifier in black delivers up to 40 hours of continuous moisture for bedrooms, nurseries, and medium-sized rooms. Quiet, filterless, and easy to use, it features an essential oil tray for added aromatherapy and automatically shuts off when the tank runs dry.
  • Features a 4 liter tank that can cover rooms up to 300 square feet and last for up to 40 hours of continuous use.
  • Filterless design saves you from the hassle and cost of replacing filters.
  • Ultrasonic technology creates a cool, quiet mist that is perfect for use in bedrooms and nurseries.
  • Includes an essential oil tray that allows you to add your favorite fragrances to the mist, creating a soothing and refreshing atmosphere.
  • Automatically shuts off when the water tank is empty, providing peace of mind and safety.
  • Comes in a sleek black color to complement any decor.
  • Backed by a 2 year replacement policy, ensuring your satisfaction with the product.
  • Sleek Black Design:
  • Compact, modern humidifier in black finish blends with home decor while improving air quality.
info:
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Specifications

Humidification method

Ultrasonic

Coverage area

300 sq ft

Run time

50 h

Volume capacity

4 gal

Warranty

Warranty information

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Customer ratings & reviews

4.3 out of 5 stars
stars
1,387 ratings1,359 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars72% (993)
  2. 4 stars9% (119)
  3. 3 stars5% (63)
  4. 2 stars4% (55)
  5. 1 star11% (157)

Reviews summary

Pros

  • : Simple navigation and functionality.
  • : Ideal for small spaces and easy placement.
  • : Has a contemporary appearance that blends with home decor.
  • : Operates with minimal noise.
  • : Has a calming blue glow when turned on.

Neutral

  • : Can be large enough for extended use, but may have leakage issues.
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Showing 1-3 of 1,359 reviews

Dec 16, 2025
Reviewer name: Susan
Top Reviewer
Item details
Size: 4L Black
Sold byUpper Echelon ProductsDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great for mouth breathing

I bought this for my mother. She is 96 and sleeps with her mouth open most of the time. She had so many problems with dryness of her mouth, throat, and nose, that actually caused severe nose bleeding. She made several trips to urgent care to get the bleeding stopped. Once she started using the cool mist humidifier, the nose bleeds stopped.

Helpful?7EY5308AEYBS427733856
Aug 30, 2025
Reviewer name: Jeanne
Item details
Size: 4L Black
Sold byUpper Echelon ProductsDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good value for the price.

My only issue was in filling the tank. Make sure to move the unit over the sink to avoid leaking water.

Helpful?7EY5308AEYBS427733856
Feb 1, 2026
Reviewer name: ApplePi
Item details
Size: 4L Black
Sold byUpper Echelon ProductsDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great humidifier at a great price.

Helpful?7EY5308AEYBS427733856
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