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💨 Elevate your air game—smart, silent, and seriously sleek.
The LEVOIT Classic 300S is a 6-liter ultrasonic cool mist humidifier designed for large rooms up to 505 sq ft. Featuring smart app and voice control, it offers up to 60 hours of ultra-quiet operation with automatic humidity adjustment. Its top-fill design simplifies refills and cleaning, while an essential oil tray adds aromatherapy benefits. ETL certified and BPA-free, it’s perfect for bedrooms, nurseries, and plant care, combining health, convenience, and modern tech in one stylish package.












| ASIN | B08HS45N13 |
| Best Sellers Rank | #4,532 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #10 in Humidifiers |
| Brand Name | LEVOIT |
| Capacity | 6 Liters |
| Color | Gray |
| Control Method | App |
| Customer Reviews | 4.4 4.4 out of 5 stars (30,695) |
| Filter Type | Wick |
| Floor Area | 505 Square Feet |
| Included Components | 1 × 6L Ultrasonic Smart Top-Fill Humidifier, Aroma Pad, Cleaning Brush, User Manual, Water Filter Sponge |
| Item Dimensions D x W x H | 9.6"D x 7.5"W x 13.4"H |
| Item Shape | Square |
| Item Type Name | 6L Cool Mist Top Fill Oil Diffuser for Baby and Plants, Smart App Alexa Control, Rapid Humidification and Humidity Setting, Quiet Sleep Mode, Ultrasonic |
| Item Weight | 2 Kilograms |
| Manufacture Year | 2021 |
| Manufacturer | LEVOIT |
| Material | BPA free, suitable for babies and adults |
| Model Name | Humidifiers for Bedroom Large Room Home |
| Model Number | Classic 300S |
| Operation Mode | Ultrasonic |
| Other Special Features of the Product | Auto Mode, Auto Shut Off, Easy to Clean, Quiet, Run all night, Smart Control, Top Fill |
| Part Number | Classic 300S |
| Power Source | ETL Certified AC Power Adapter |
| Room Type | Bedroom,Baby,Room,Living Room,Nursery,Large room,home,Office |
| Runtime | 60 hours |
| Smart Home Compatibility | Smart Home Compatible |
| UPC | 810043373210 |
| Unit Count | 1 Count |
| Voltage | 120.0 |
| Warranty Description | Satisfaction Guaranteed: Experiencing issues? Our California-based Customer Support Team is here to help. If your product is defective, don’t worry about shipping it back. We’ll send you a replacement right away! |
| Wattage | 26 watts |
K**T
Worth the money!
I have purchased COUNTLESS different humidifies over the years. In the end I never really liked the ones I purchased and would only end up using them for a short amount of time. This one is very well made, the parts are sturdy not like some of the cheap plastic ones I had purchased previously. It is very user friendly, you can fill it up and turn it on and get it going right away. I feel the tank capacity is good sized for your average sized bedroom. I love that it has a display for the humidity instead of having to try and guess what the humidity of the room may be at. It is also quiet which is a huge plus for me as I don't like hearing the loud noise in my bedroom. It has a light function which I don't use as I prefer it dark in the room, but some people may enjoy that feature. I also found it easy to take apart and clean which is always a plus. I have noticed a huge improvement in the humidity level of the room since having purchased this. It is an absolute MUST in the dry cold winter to have something like this it has helped my sinuses a great deal.
Y**N
Still excellent after 3 years — reliable and smart features
I purchased this LEVOIT humidifier about three years ago, and it is still working perfectly with no issues. I always follow the maintenance recommended by the manufacturer, and the unit rewards you with long‑term reliability. The app control is very convenient — it shows humidity levels, schedules, and operation status right on the phone. I regularly check the sponge inside the clear tank and replaced it when the color turns dark brown. Keeping the unit clean is important, and it has been easy to maintain. My only small concern is not knowing exactly when the black ring (where the vapor comes out) should be replaced, but so far it continues to work well. Overall, this is a very good humidifier, and I definitely recommend it. Five stars.
W**O
Great little humidifier, easy to clean, quiet
As cool mist humidifiers go, this one is easy to clean and operate. One part is a little difficult to remove for cleaning and I have been able to manage. Distilled water is recommended, and you need at least three cups of white vinegar to clean it every three days. I elected not to download the app and have been pleased that the machine works fine without it. The Levoit does a good job moistening the air in my bedroom and it is extremely quiet. Sleep mode shuts down all those annoying LEDs! My only issue with the humidifier is that because the touchpad buttons are flat and don't "give" when you push them, and there are no haptics associated with them, if the unit is in sleep mode (no lights, operating according to humidity level in the room), there is no way to tell if you've successsfully turned it off. I found myself blindly pushing buttons more than once.
T**B
Excellent Quality & Effectiveness
The “LEVOIT Classic300S Ultrasonic Smart Top Fill Humidifier worked very well for me. This’s is the first and only humidifier I’ve owned. It is exactly as pictured on Amazon, and functions well. It’s a quality product - performance and durability. I used it nearly 24/7 for two and half years. I opted for a large tank which turned out to be a good decision. The larger the tank, the less often it needs to be filled. Though I was overzealous in hoping it could humidify a very large open-concept living room and kitchen. It did pretty well considering I was trying to accommodate a larger area than it was meant to cover. I regularly used all three mist “output” options to adjust for how the weather impacted the amount of humidity I needed. The vent for the mist can rotate which I found very convenient. The light had just the right amount of illumination. The scent infuser is the only thing I didn’t use, due to allergies not the product. The water container is very easy to clean. Since I wasn’t used to having a humidifier I often forgot to clean the inside the base of the humidifier (where the water runs through the system). That led to a challenge. There were some tiny spaces that needed cleaning but couldn’t be reached by anything I tried - sponge, finger, mini scrub brush, toothbrush, tiny bottle brush. I think it was just the structural design that impacted the reachability of those area. (That might be true for most humidifiers. I don’t know since this was my first one.) Eventually those tiny areas inside the base developed a nasty build up. Ultimately I had to throw it out because it wasn’t healthy to continue using it. That was the only down side of this product. Because I wasn’t diligent in cleaning it sooner and more frequently, perhaps the cleaning issue could have been avoided. If I knew a way to reach those spaces, it would be the perfect humidifier and i would definitely buy it again. Overall it’s an excellent humidifier and very effective in its purpose. Based on this singular experience, I consider Levoit a quality brand, tried and true, and wouldn’t hesitate to buy their products.
K**B
Reliable Humidifier
I’ve been using the Classic 300S humidifier in my bedroom and overall I’m pleased with its performance. It produces a strong quiet, consistent mist and has helped improve the dryness in my room, which is important for my health needs. I especially appreciate the night light, auto mode and adjustable output settings. One thing I’ve noticed is that the humidity reading can continue rising for a while after reaching the set level, but switching to auto mode helps stabilize it. So far, it’s been a helpful addition to my home, and I appreciate the warranty and support offered.
H**Y
J'ai acheté ce produit notamment pour fournir un meilleur taux d'humidité à mes plantes d'intérieur. Pour le moment, rien à redire, il fonctionne parfaitement. La fonction 'Auto' lui permet de se déclencher dès que le niveau d'humidité passe sous un certain seuil et de s'arrêter de la même manière lorsque celui-ci atteint le niveau fixé. Il est aussi possible d'utiliser l'appareil en mode 'Manuel' en le déclenchant soit même et choisissant un niveau de brumisation. Le remplissage se fait très simplement par le haut et le contrôle via l'application VeSync est un petit plus pratique.
K**P
Works well . Do use 220V to 110 converter , great humidifier
M**.
Es muy práctico, es automático en cuanto baja la humedad se enciende y al alcanzar su nivel detiene, cuenta con un tanque grande, no hay que estar rellenando de agua muy seguido, si se puede agregar aroma en su charola pero no aromatiza mucho.
M**R
Macht genau das was es soll und leichte Bedienung durch die APP.
Z**N
Excelente. Tengo varios humidificadores. Este es moderno; fácil de recargar el agua, aun con el aparato en marcha. Manejo a través de la app y Wifi fácil, útil y cómodo. Puede cubrir una superficie tal y como se indica, pero hay que pensar en una ubicación adecuada. El higrómetro incorporado es relativamente fiable. Hay que repetir ajustes en Auto para encontrar punto óptimo de humedad relativa para que corresponda a la humedad en el recinto - disponiendo, claro está, de otros higrómetros para comparar. Muy silencioso. Hay que colocarlo a media altura para facilitar la recarga del agua (una jarra grande es muy adecuada) - el manejo de la tapa es fácil y no es necesario quitar el recipiente del cuerpo principal para rellenarlo bajo el grifo (salvo para la limpieza). Magnífica compra.
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