MegaWise Top-Refill Cool Mist Humidifier 1 Gal
- Floor Area: 500 sq ft
- Capacity: 0.9 gallons
- Runtime: 21 hours
- Operation Mode: Ultrasonic
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A simple, large-capacity top-fill humidifier for rooms that need all-day coverage without daily refilling, at the cost of any smart or auto features.
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ASIN: B09KL6SPJMCategory: Humidifiers
Overview
MegaWise's top-refill humidifier holds a 1-gallon (3.5L) tank behind a wide top opening, aimed at bedrooms, living rooms and larger plant corners that need more than a day between refills.
The mist dial sits on the front of the unit rather than in an app, so output is set by hand rather than to a target percentage. A separate tray keeps essential oils away from the main water reservoir, and the listing specifies a PP plastic tank.
- 3.5L / 1 gallon top-fill tank
- Adjustable dial mist control
- 7-color night light
- Separate essential oil aroma tray
Who it's for
Fits buyers who want a straightforward dial-controlled humidifier with a large tank and a color night light, without needing to set up an app. Not the choice for anyone wanting automatic humidity-percentage targeting.
Pros and cons
- 1-gallon tank suits multi-day use without refilling
- Wide top opening eases filling and cleaning
- 7-color night light with an off setting
- Separate essential oil tray keeps the tank cleaner
- No app or automatic humidity targeting
- Manual dial control only, no digital display
Performance notes
The wide top-fill opening is built to make refilling and wiping the tank interior easier than a bottom-fill design, and auto shut-off stops the unit once the tank runs low rather than letting it run dry. Mist strength is set with the front dial and stays fixed until manually changed, since there is no target-humidity mode.
Specifications
| Brand | Megawise |
|---|---|
| Dimensions & fit | |
| Item Weight | 1.8 pounds |
| Item Dimensions D X W X H | 7 × 9.7 × 7 inches |
| Capacity & performance | |
| Capacity | 0.9 gallons |
| Power & efficiency | |
| Voltage | 230 volts |
| Power Source | Corded Electric |
| Construction & materials | |
| Material | Plastic |
| Color | White( Blue) |
| Included components | |
| Number Of Packs | 1 |
| Unit Count | 1 |
| Included Components | Humidifier |
| Other details | |
| Floor Area | 500 sq ft |
| Runtime | 21 hours |
| Operation Mode | Ultrasonic |
| Filter Type | Pre Filter |
| Control Type | Touch |
| Item Shape | Rectangular Prism |
| Room Type | Bedroom |
| Part Number | SK7620 |
| Item Type Name | Single Room Humidifier |
| Other Special Features Of The Product | Night Light, Quiet |
Frequently asked questions
How big is the MegaWise humidifier's tank?
It holds 3.5 liters, about 1 gallon, sized for daily use in bedrooms, living rooms or offices without frequent refills.
Does it turn off automatically when the water runs low?
Yes, the auto shut-off stops the unit once the tank drops below a safe water level.
Can I add essential oils?
Yes, a separate aroma tray takes a few drops of oil, kept apart from the main water tank.