ROSEKM Cool Mist Humidifier 2L
- 2 liter removable tank, filter-free
- Up to 320 square feet of floor area
- Runs up to 24 hours per fill
- Ultrasonic cool mist, touch controls
- 18 watts, 110 volt corded plug
- Auto shut off and adjustable humidity control
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A small cool mist humidifier for bedrooms, nurseries and plant corners, with auto shut off built in. It adds moisture only and gives no warm mist or heating.
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ASIN: B0B9MCCY1KModel: KC-KM13TCategory: Humidifiers
Overview
A bedroom, nursery or desk with a few houseplants is the setting this ultrasonic cool mist humidifier is built for. It turns water into a fine mist with high frequency vibration instead of heat, and a removable tank makes refilling easy.
Quiet operation and a filter-free design mean no cartridges to buy and little upkeep beyond rinsing the tank. The limit is the modest tank, so a large open room will outrun it, and cool mist only adds moisture without warming the air.
Who it's for
Parents of babies, desk workers and plant owners who want light moisture overnight fit the intended use. Owners of big rooms, or anyone who needs a heated mist, should choose a larger or different type of unit.
Pros and cons
- Quiet cool mist operation
- Removable tank for easy refills
- Auto shut off when empty
- Filter-free, no cartridges needed
- Tank size limits large rooms
- No warm mist option
- Ultrasonic units need regular tank cleaning
- Water type guidance not listed
Performance notes
Ultrasonic operation uses a vibrating plate to atomize the tank water, so output depends on the tank and the setting chosen. Coverage is rated for a specific floor area, and a room larger than that will see little change in humidity. The adjustable control sets how much mist leaves the unit, and run time per fill follows that setting.
Specifications
| Brand | Rosekm |
|---|---|
| Model | KC-KM13T |
| Dimensions & fit | |
| Item Dimensions D X W X H | 5.1 inches deep by 5.1 inches wide by 10.2 inches high |
| Item weight | 4.8 ounces |
| Capacity & performance | |
| Capacity | 2 literslower than 85% of 27 humidifiers |
| Wattage | 18 watts |
| Power & efficiency | |
| Voltage | 110 volts AClower than 80% of 26 humidifiers |
| Power Source | Corded electric |
| Construction & materials | |
| Material | BPA-Free, suitable for baby |
| Included components | |
| Included Components | Humidifier |
| Unit Count | 1 Count |
| Other details | |
| Floor Area | 320 square feet |
| Runtime | 24 hourslower than 55% of 21 humidifiers |
| Operation Mode | Ultrasonic cool mist |
| Filter Type | Filter-free |
| Room Type | Bedroom, kids room, nursery, office, plant |
| Control | Touch |
| Other Special Features Of The Product | Adjustable Humidity Control, Auto Shut Off, Quiet, Removable Tank |
Closest rivals on specs
Honeywell HCM350 Cool Moisture Humidifier- Capacity 0.5 vs 1.1 gallons (-55%)
Frequently asked questions
Does the Rosekm humidifier make warm mist?
No. It is an ultrasonic cool mist unit, and the listing describes no heating.
How long does one tank last?
The listing gives a runtime of up to 24 hours.
What size room does it cover?
The listing rates it for up to 320 square feet of floor area.
Does it need replacement filters?
No. It is listed as filter-free.