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Levoit Levoit PlasmaPro 400S Smart True HEPA Air Purifier

7 Reviews
  • Large Coverage: Completely and quietly refresh your air 5x per hour in a 403 sq ft space.
  • PlasmaPro Technology: Releases negative and positive ions that bind with airborne contaminants and break them down
  • Smart Control: Control air purifier settings and receive real-time notifications about air quality, filter life, and more.


  • Large Coverage: Completely and quietly refresh your air 5x per hour in a 403 sq ft space.
  • PlasmaPro Technology: Releases negative and positive ions that bind with airborne contaminants and break them down
  • Smart Control: Control air purifier settings and receive real-time notifications about air quality, filter life, and more.
  • H13 true HEPA filtration: filter 99.97% of airborne particles 0.3 microns in size and neutralize household odors
Weight 13 lbs
Dimensions 13 × 13 × 23 in

Latest reviews

  1. JKSpring55

    1. The air purifier has a unique cylindrical shape which can nicely fit in smaller spaces in a room.
    2. The air purifier comes nicely packaged and it comes with a detailed and illustrative user manual.
    3. Easily visible warning messages are placed over the air purifier, for example to remove the plastic wrapper from the air filter.
    4. The in-built particle measure system is very accurate.
    5. The air purifier can be set to automatically adjust its speed depending on the impurities present in the room.
    6. The biggest pro is that this air purifier is absolutely quiet; no disruptive noise whatsoever.
    7. The app can be easily connected and all the parameters can be controlled via the app.
    1. Although the purifier is compact, the cylindrical design may not perfectly fit in corners.
    2. The lights on the air purifier cannot be turned off which some people might find distractive while sleeping.

  2. Antvik

    I have three different air purifiers in my home, and so far, the Levoit VeSync Core 400s is the best one. This purifier is a bit larger than the other ones I have. However, it also covers a larger space(up to 400 sq f). It is perfect for my master bedroom. The air purifier has four different speeds as well as an automatic option. The automatic option adjusts the speed based on the air quality.
    The display on the top displays the air quality(colored-four levels) and the number of airborne particles detected by the laser dust sensor. The display can be shut off when needed.
    I was amazed to find out how quiet this air purifier is compared to the other ones I have (when set on the lowest two speeds).
    The best feature of all is the ability to control this purifier over the app. The app allows you to create a schedule based on the day and time to turn on and shut off automatically. It also lets you adjust the speed via your phone.
    It seems like it cleans air faster than other purifiers and also can be connected to Alexa. The only negative part is the number of filters that will need to be replaced, but again, that’s what makes your air better.

  3. MiamiMom

    I have been really happy with this air purifier so far. It’s easy to set up and connect the app. The filter works great! I love how the app shows how much air has been purified and how much trees it would have taken to purify that amount of air.

    The app can be used to create a schedule or set a timer. The app also displays the air quality in the home. The app has a display lock option so that the purifier can only be controlled through the app while it’s on. I turn it on when my kids are home to keep them from playing with the purifier. It was also easy to connect the air purifier to my google home mini so I could control it with voice commands.

  4. Gavean

    One month of using this product and we are WOW in a good way!!

    VeSync Core 400S Smart True HEPA Air Purifier

    This product is awesome! Lightweight, quiet and extremely easy setup. Initially I used the control panel on the top of the unit and was quite pleased with how easy it was to adjust the settings. Then I decided to try the app. I must say, it does not get any easier to setup! One the app was installed, with just a few clicks and no time at all, the unit was connected, updated the firmware and I was controlling it with my phone via the app. Filter life is viewable via the app, and I noticed that it has a link to order new filters when needed. It also displays the current air quality in the room. Now on the the actually functionality of the air purifier. I am quite impressed. As someone with bad allergies, I can quickly notice a difference in the air quality. I definitely felt more rested and that I had a better nights sleep with this running. When the fan is on the lowest speed you don’t even notice that it’s on. The night mode also uses the low fan, as well as turns off all lights on the display so as not to take away from your ability to sleep, should any additional light be bothersome. There is an auto setting that varies the fan speed based on the current air quality that the sensor inside the unit measures. Per the specifications, in a 400 square foot room, with the fan on high, it can clean the air in the room 5 times per hour. There are 3 stages of filtration, pre filter, HEPA filter and Carbon filter, as well as an indicator for when to clean the pre filter. If you have an Alexa or Hey Google device, you can use them to control this as well. I do not use those, so I cannot comment on their functionality. When not in night mode, there is a color coded indicator ring on the top display so you can see the air quality at a glance. Overall I am very impressed with this air purifier and highly recommend it to anyone looking for an amazing purifier.

  5. Ccruz36

    I truly am impressed with the overall quality, design, durability, and functionality of this air purifier. Not only does it have a sleek and modern cylinder look, but it is also lightweight and easy to transport around the house. This air purifier is so quiet and easy to use. I was amazed by the ability of this purifier to detect dirty air. There is an air quality indicator ring that lights up different colors ( blue, green, yellow/orange, and red) when the air quality changes. I blew out a candle and within seconds the air purifier detected the change in air quality and the indicator light went from blue to yellow. It was only a matter of a few moments and the indicator was back to blue. I was blown away by how quickly this purifier eliminated the contaminated air and improved the air quality. The internal cleaner can sense the quality of air and will automatically adjust the fan speed as needed to improve the overall air quality and to clear the contamination quicker. I highly recommend this product because it works well and it will not disappoint.

  6. Ami35

    Super easy setup and connected seamlessly to Alexa. I have tried this in each room of our house and now I feel like I need multiple for a variety of rooms. We all have very bad allergies and asthma so it was put in my son’s bedroom since he has the most issues and it has definitely made a difference in his room. I love that I can see the air quality and change settings from the app on my phone and also that it has a lock on the buttons that can be set in case my toddler does happen to get in the room and try to mess with it ( she’s not allowed in but she does manage to sneak in sometimes). It’s pretty quiet and does have a sleep mode to reduce noise further during bed time. It is also lightweight and easily portable. My son named it since it is in his room, but you can pick any name and picture for it you want.

  7. BreathofFreshAir

    This filter looks stylish, sleek and modern with nice control buttons. It has multiple great features like sleep mode and an app for controlling it. The quietKEAP technology actually works, it’s basically silent when it’s purifying the air which is great!!! It has Air Quality Indicators so it scan for impurities and starts to filter once detected. We were cooking at home and it got a bit smoky in the house and that thing kicked on right away. It takes out pet odor too! Also, in the time of this pandemic it is nice to know this filters bacteria and viruses with its 3-stage filtration. Another plus is that the filter lasts a long time before you have to change it, and I am all for low maintenance.

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