
MegaWise Healthy Top-Refill Cool Mist Humidifiers for Bedroom
By MegaWise · Humidifiers · Home & Workspace · More from MegaWise
- 1 gallon (3.5L) top-refill water tank
- 24 dB quiet ultrasonic humidifier
- PP material, BPA-free for baby
- Colorful 7-color night light
- Essential oil diffuser tray
Price not listed
- MegaWiseView at MegaWise
- eBayView at eBay
- AmazonView at Amazon (paid link)
- eBay (used) eBay: used, open-box, refurbishedView at eBay (used)
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Summary
A budget ultrasonic cool-mist humidifier with a 3.5 L top-fill tank, an adjustable output dial, a 7-color night light and a separate aroma tray. It suits a small bedroom or nursery where you want simple manual controls and will clean it often, but no independent test covers it and MegaWise’s own pages disagree on price, so confirm the delivered cost and filter availability before buying.
Strengths
- A top-fill opening and a front output dial make daily use simple, with no app or Wi-Fi required.
- The 3.5 L tank is larger than the Levoit Classic 160’s 2.5 L and smaller than the Dreo 311’s 4 L.
- A separate aroma tray lets you add scent without pouring oil into the tank water.
- Low-water auto shutoff and a switchable night light suit bedside use.
- MegaWise advertises a 1-year warranty and 30-day returns for units bought from its own store.
Weaknesses
- No independent test of this model exists; RTINGS lists no MegaWise humidifier in its reviewed index.
- The advertised filter’s exact part number, US price and replacement interval are unverified.
- The EPA warns ultrasonic units can aerosolize minerals and microbes, so tap water means white dust and regular cleaning.
- No measured wattage, mist output, runtime, coverage or dimensions are published.
- The two MegaWise store pages disagree on price, $25.99 versus $39.97.
- No verified model-specific failure or lifespan report exists.
Verified specifications
| Model | MegaWise Healthy Top-Refill Cool Mist Humidifiers for Bedroom, code B09KL6SPJM. |
|---|---|
| Mist type | ultrasonic cool mist, with an adjustable output dial. |
| Tank capacity | 3.5 L advertised, about 0.925 US gallon, though the listing rounds it to 1 gal. |
| Noise claim | 24 dB on low and 30 dB on high, with no test distance or measurement standard stated. |
| Materials and safety | PP material and a low-water auto shutoff, as marketed. |
| Light | 7-color night light that can be switched off. |
| Aroma | a separate essential-oil tray; fragrance is not for the water tank. |
| Refill | a top-fill opening, and a second listing describes a removable tank. |
| Warranty | 1 year through the official store, plus a 30-day return statement. |
| Power draw, mist output, dimensions, weight, cord length and filter part number: none verified. | |
Full research notes and sources
Cleaning and water
The catch with any ultrasonic humidifier is upkeep. The EPA warns that these units can aerosolize minerals and microorganisms when the water and tank are not kept clean, which leaves white dust and buildup; empty and wipe the tank daily and clean it at least every third day. Distilled or low-mineral water helps, and a full 3.5 L tank is about 0.925 US gallon. Walmart listed Great Value distilled water at $1.44 a gallon in October 2026, so a full tank costs about $1.33; at 15 full tanks a month that is about $240 a year, and at 30 about $480. Those are scenarios, not measured runtime. The maker advertises a water filter, but no compatible cartridge part number, US price or replacement interval could be verified.
Noise, light and specs
The brand advertises 24 dB on low and 30 dB on high, but gives no test distance, weighting or measurement standard, so treat those as claims rather than certified nursery figures. There is no measured mist output, wattage, coverage or runtime per dial setting. The 7-color light can be switched off, which matters for sensitive sleepers. The manufacturer markets a “safe for baby” design in PP material with low-water auto shutoff; no independent health or water-treatment certification was found.
MegaWise’s own pages disagree on price: one store page shows $25.99, while the long product listing shows $39.97 marked down from $59.99 (MegaWise store, October 2026). Neither checkout was completed, so confirm the final delivered cost. The advertised water filter has no verified part number, US price or replacement interval, and MegaWise support should confirm compatibility before you buy. Power cost cannot be estimated because no watt rating or measured duty cycle was published; the 23 W figure in a conflicting manual belongs to a 4.5 L model and should not be applied.
Is it worth it?
At $25.99 it is a reasonable basic top-fill unit if you accept sparse independent testing and an uncertain filter supply. At $39.97 the choice is weaker: the Levoit Classic 160 lists at $29.78 with a 2.5 L tank and an advertised 2-year limited warranty, and the Dreo HM311 lists at $39.99 with a 4 L tank and three mist levels. The Levoit Classic 300S at $79.99 is the only one of the three with an RTINGS test behind it, but it costs far more. Buy the MegaWise only if the lower store price is real and you are prepared for the cleaning routine.
Which model this is
This page covers the MegaWise Healthy Top-Refill Cool Mist Humidifier, a 3.5 L top-fill ultrasonic unit, which the brand’s store identifies as ASIN B09KL6SPJM. Do not confuse it with the 4.5 L GO-2811 manual indexed elsewhere, whose controls and tank differ; the liter capacity on the 3.5 L page is the more precise statement than its rounded “1 gal” label.
Sources
Manufacturer:
- MegaWise Healthy Top-Refill 3.5 L product page
- MegaWise B09KL6SPJM product-code page
- MegaWise product catalog
- MegaWise featured-products catalog
- MegaWise downloadable-manual catalog
- Levoit Classic 160 product page
- Dreo HM311 product page
Independent reviews:
- RTINGS humidifier reviews index
- RTINGS humidifier reviews for bedrooms
- US EPA: Use and Care of Home Humidifiers
- CDC: Preventing Waterborne Germs at Home
Owner reports:
- No owner report, forum thread or retailer Q&A for this exact model was found.
Parts and stores:





