

🌿 Breathe smarter, live fresher — your home’s invisible wellness upgrade!
The LEVOIT Core 400S Air Purifier is a powerful, smart device designed for large rooms up to 166m². Featuring a 3-stage HEPA filter, an intelligent PM2.5 sensor, and a CADR of 400m³/h, it efficiently removes allergens, dust, pollen, smoke, and pet dander. With Alexa and app integration, plus whisper-quiet operation at 24dB, it offers seamless, automated air quality control for healthier living spaces.









| ASIN | B08R794ZMX |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 1,496 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 1 in Air Purifier Filters |
| Certification | CE Certified, RoHS Certified |
| Colour | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (15,374) |
| Date First Available | 25 Feb. 2026 |
| Included Components | 1 × 3-Stage Original Filter (Pre-Installed), 1 × Power Adapter(Includes a power cord), 1 × Quick Start Guide, 1 × Smart Air Purifier, 1 × User Manual |
| Item Package Quantity | 1 |
| Item Weight | 5.8 kg |
| Item model number | Core 400S |
| Manufacturer | LEVOIT |
| Material | ABS |
| Number of Pieces | 1 |
| Part Number | Core 400S |
| Pattern | Single |
| Product Dimensions | 27.4 x 27.4 x 51.9 cm; 5.8 kg |
| Size | 990 sq.ft |
| Sound level | 24 Decibels |
| Special Features | 3- Stage Filtration, AirSight Plus PM 2.5 sensor, QuietKEAP only 24dB in quiet sleep mode, Stable WiFi and Bluetooth dual connection, Two handles Design, VortexAir circulation technology |
| Style | Core 400s |
| Voltage | 120 |
| Wattage | 24 watts |
J**.
Powerful, smart, and keeps the air feeling fresh all day
I’ve tried several air purifiers over the years, mostly because I live in an area with seasonal pollen and occasional dust from nearby construction, and I’ve learned that not all purifiers are created equal. The LEVOIT Air Purifier for Large Rooms has quickly become my favourite — it’s powerful, intuitive, and genuinely makes a difference in the air quality around the home. I first set it up in the living room, which is roughly 40m², but the purifier is rated for spaces up to 166m², so I knew it could handle multiple rooms if needed. Setup was effortless — unbox, plug in, and connect to Wi-Fi via the app. I also linked it with Alexa, which is incredibly convenient. I can turn it on or off, adjust fan speed, or check the air quality without moving from the sofa or bed. The CADR of 400m³/h is noticeable. Dust, pollen, and pet dander seem to disappear faster than with any previous purifier I’ve used. The intelligent PM2.5 sensor is a fantastic feature: the purifier adjusts automatically depending on the air quality, so it’s quietly working in the background without me needing to constantly monitor it. I especially appreciate the Auto Mode at night — it’s so quiet that it doesn’t disturb sleep, yet the air feels fresher in the morning. Changing the filter is straightforward, and the app notifies me when it’s time, which makes maintenance simple. The design is sleek and modern, so it fits nicely in a living room or bedroom without being obtrusive. Even after weeks of use, it still feels as efficient and effective as on day one. Overall, the LEVOIT Air Purifier for Large Rooms is highly effective, smart, and convenient. It genuinely improves air quality, reduces allergens, and keeps the environment comfortable for the whole household. If you’re looking for a reliable, powerful, and easy-to-use air purifier for a large space, this is one I’d confidently recommend.
E**L
Worth the Investment for Cleaner Air
I have several dogs in the house, and that means a constant battle with dust, hair, and dander. Since setting up this LEVOIT air purifier, I’ve noticed a real improvement in the overall air quality. Surfaces stay cleaner for longer, and the air feels noticeably fresher to breathe. The unit was simple to set up, and the design is sleek enough that it fits in well with the room. I like that it can be scheduled so I don’t have to think about it, and the auto mode adjusts itself based on the PM2.5 sensor. Alexa control is a bonus too. Noise levels are very low, even at higher speeds, and in sleep mode it’s quiet enough to leave running overnight without disturbing anyone. It is on the costly side, but I’m very happy with the investment I made. For a pet household, the difference in dust reduction and the reassurance of cleaner air has made it well worth it. Overall: Effective, reliable, and a solid choice if you want an air purifier that you can set and forget.
H**G
Delete the dusts
I have been using the 400s in my bedroom for about a month now, and it's definitely made a difference. I've noticed less dust settling on things, and the air just feels cleaner when you walk in. First impressions? It's a fairly big machine, no getting around that, but it needs to be for the size of room it can handle, (overkill for my room of 23m). Even though it's large, it looks quite modern and sleek, so it doesn't look out of place. Setting it up was simple enough, just taking the filter out of its packaging and plugging the unit in. Connecting to the Wi-Fi app was straightforward too. The app itself is quite useful if you want to fiddle with settings remotely, put it on a timer, or check the air quality readings it’s been getting. As for how well it actually works, it seems to do a good job. It has the usual three filters: one outside for bigger bits like fluff and hair, the main HEPA one for fine dust, and a carbon filter for smells. The sensor that checks the air quality seems pretty sharp. If my neighbour is smoking near an open window or if there are strong cooking odours lingering, the purifier detects it quickly and the fan really ramps up. You can also tell the air quality at a glance from the coloured light ring on top, which goes from blue for good to red for bad. When the fan does kick up to full speed because it's detected something, it is pretty loud but works quickly. But on auto and lower mode, it's generally quiet and unnoticeable, same with sleep mode. Maint for it is easy too. The main thing is to give the outer pre-filter a quick hoover every few weeks to get the dust off, plus a wipe down of the machine itself. Doing that should help the main filter last a bit longer, since they costs like £60, this help to extends it from 6 months to maybe 8. The only real grumble is that you can't recycle the old filters once they're done. It makes sense given all the stuff they trap, but it’s still a bit of a shame not to be able to. And obviously, its size means you need a bit of floor space for it. I got it on sale for £190 and it's decent so far. It clears the air well, it's easy to use day-to-day, and the app controls are handy. Even with the noise when it's going flat out and the filter situation, it's a solid 4 out of 5 stars. Definitely worth considering if you're bothered by dust or allergies, they have a variety of filters too for different use cases.
B**L
Very pleased with my 400 air purifier. The first day of using it our house had lost its locked up winter smell. Watching it automatically increase in speed catching the cooking smells is incredible and it really works. Using it now for a couple of weeks its noticeably helped us with our dust & Spring allergies 👍 Answering some of the negative reviews. Yes the bottom come will come off easily if it hasn’t been LOCKED in place properly and I can hear an electrical hum on auto/ sleep modes at NIGHT, so I leave it on low speed when sleeping. I recommend it and am now looking at buying a smaller one just for our bathroom.
M**N
After 30 days of solid use is working well. Husband reporting much less allegens and improved sleep. Has reduced dust in the house by 90% -seriously, we leave doors open as much as possible in house and were dusting once a week -now do not have the dust buildup at all. Easy out of the box setup. Not noisy and does reduce cooking odors as well as its primary filtration job -so a nice benefit
P**.
Es la segunda vez que lo compro (le regale el otro a mi hermano, que despues de 1 año seguia funcionando al 100, se lo di para eliminar el olor del gato en su cuarto), tiene varias velocidades cada una un poco más ruidosa que la otra, pero sin llegar a ser molesto. El modo dormir no hace nada de ruido, incluso apaga la luz del display para que descanses a oscuras. Se maneja perfectamente desde el celular o con comandos voz mediante alexa. Yo lo uso todas las noches, porque mis perros duermen en mi cuarto por las noches y es excelente para eliminar el olor a perro (son 2 shitzus, asi que tampoco son muy grandes, ni sueltan mucho pelo. Pero para ellos me funciona perfecto)
J**Y
Product arrived today, however I am astonished that a product bought on an Irish Amazon site has arrived with a non-compatable 2 prong plug , what’s more this plug does not securely fit the standard adapter I have had to go and purchase this morning.
S**R
Absolute Empfehlung! Ich bin selber Raucher, rauche im Winter in einem Zimmer! Der Luftreiniger schluckt alle Gerüche! Zigarettenrauch, Kochgeruch, usw! Man riecht nach ca. 20 Minuten nicht`s mehr! Die Luft ist in der ganzen Wohnung spürbar rein! Im Nachtmodus ist der Levoit nicht hörbar! Die Bedienung ist leicht und auch per App steuerbar! So ist das Gerät auch bedienbar, wenn man nicht zu Hause ist! Ich bin begeistert! Genau das ,was ich gesucht habe!
Trustpilot
1 month ago
1 week ago