5.5L Water Tank Quiet Ultrasonic Cool Mist Humidifier

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Key Features

  • 5.5L Tank & Intelligent Constant Humidity: It has 5.5 L capacity and has 3-mist level automation which allows up to 30 hours of humidity in the room. The auto-control function can cover between 40-90% RH to keep the air at a comfortable moisture level.
  • Convenient Digital Display & Remote Control: The digital panel displays function information like humidity level, mist mode, and timer. It can be also adjusted with a remote control with your preference.
  • Powerful Mist Output & Top-fill Design: With its high-frequency vibration of 1.7 million per second, it can diffuse ultra-fine cool mist (≤ 250ml/h)without leaving moisture on the surface of the product. The top water tank is convenient for refilling and cleaning.
  • 12h Timer & Quiet Sleep Mode: This ultrasonic technology produces a low-frequency 26dB ensuring you to have a restful sleep. The panel does not light for until 12 hours.
  • Great Choice for Better Air Quality: This cool mist humidifier can improve the indoor air quality, this is helpful for those having breathing and skin problems. It automatically shuts off when it runs out of water.
No Information


  • Color: White
  • Material: ABS, PP
  • Product dimension: 8.5" x 8.5" x 23" (L x W x H)
  • Net weight: 3 lbs
  • Voltage: 120V /60Hz
  • Power: 25W
  • Water tank capacity: 1.5 Gal (5.5L)
  • Output mist: 180ml/h; 200 ml/h; 250 ml/h
  • Package includes:
  • 1 x Ultrasonic humidifier
  • 1 x Remote control
  • 1 x User guide

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  • Overview

  • Reviews

  • Q&A

  • Manuals


This humidifier provides you a healthier place to live and a wonderful air environment to stay.


This humidifier uses advanced ultrasonic technology to offer you continuous ultra-fine mist. Comes with a 5.5L large capacity tank and top-fill design to reduce problems of adding water and ensure easier cleaning. The humidifier can be operated by buttons on the panel or remote control, so you can adjust the mist levels as needed and set the humidity you like. The smart humidifier can set various functions automatically to offer you maximum convenience.


It will be the perfect gift! Don't hesitate to buy one!


  • 5.5L large capacity water tank allows up to 30 hours of constant humidity
  • Use the high-frequency vibration of 1.7 million times per second to diffuse cool mist and keep 40~90% RH
  • Ultra-quiet sleep mode and the screen can be turned off for a disturbance-free sleep
  • 3 mist levels & adjustable humidity choice
  • Time setting from 1 to 12 hours
  • Automatic adjustment with built-in humidity sensor
  • Top-fill design makes fill and cleans easier
  • Advanced ultrasonic technology produces an ultra-fine mist
  • Easy touch button screen & remote control
  • Auto shut off & red indicator light for low water level
  • Anti-skid feet pads ensure stability


17 Reviews

Frequent Mentions

  • S

    Super quiet!


    This humidifier is so quiet and the display is towards the bottom and not bright. The sleep mode is great for a light sleeper. We got this because our apartment gets dry and son gets nose bleeds. Overall very satisfied!

  • M

    Performs as advertised


    Extremely quiet. Have used it daily for several months and it works great. Best to fill it on location with a pitcher

  • M

    Easy to use


    Very efficient but keep it clean as it will grow mold and dirt inside and will act up.

  • L




  • K

    Slim, Tall, and works sexily.


    Love that I do not need to refill everyday. It works well. Tall enough to mist my potted plants. Sensor will turn it on and off according to humidity level.


  • Q:
    What can I do if it turns on for a brief time and then stops running?
    Could you please check if you set the humidity?.
    Costway representative
  • Q:
    Does this humidifier take essential oils?
    There is no special essential oil box, you can only drops a few in the water tank.
    Costway representative
  • Q:
    Does it only display the temperature in Celsius? Any option for Fahrenheit?
    The ambient temperature can only be displaced in Celsius,not Fahrenheit..
    Costway representative

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