Smart Air Purifier
Levoit Core 300S Smart Air Purifier
by Levoit
For anyone wanting straightforward, effective air purification enhanced by smart home convenience, the Levoit Core 300S delivers strong value.



Technical Specifications
- True HEPA H13 filter captures 99.97% of particles down to 0.3 microns
- Wi-Fi connectivity with VeSync app for remote monitoring and control
- Compatible with Amazon Alexa and Google Assistant voice commands
- Real-time PM2.5 air quality display with color indicator
- Auto Mode adjusts fan speed based on live sensor readings
- Sleep Mode with dimmed display and quiet operation
- Customizable filter options including pet allergy and toxin absorber
- Filter replacement reminders via app notification
Pros
- ✓ Effective HEPA filtration for allergens, dust and pet dander
- ✓ Simple, intuitive app with useful automation features
- ✓ Quiet enough for bedroom use, especially in Sleep Mode
- ✓ Compact cylindrical design fits easily into most rooms
- ✓ Reasonably priced replacement filters compared to competitors
Cons
- ✕ No true auto-off timer beyond scheduled presets
- ✕ App occasionally lags or disconnects during Wi-Fi hiccups
- ✕ No air quality history graph for long-term tracking
- ✕ Higher fan speeds can be noticeably louder in a quiet room
Levoit Core 300S Smart Air Purifier
by Levoit
- True HEPA filtration
- Smart app control
- Whisper-quiet sleep mode
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The Levoit Core 300S Smart Air Purifier brings true HEPA filtration into the connected home, pairing a three-stage filter system with Wi-Fi enabled smarts. It captures up to 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, pet dander and smoke, making it a solid pick for bedrooms, nurseries and living rooms up to roughly 219 square feet. The cylindrical design with 360-degree air intake keeps it unobtrusive on a nightstand or in a corner while still moving air efficiently through the space. What sets the Core 300S apart from purely mechanical purifiers is its integration with the VeSync app and both Amazon Alexa and Google Assistant. From the app you can monitor real-time PM2.5 readings on a color-coded display, switch between manual and Auto Mode, schedule operation around your routine, and receive filter replacement reminders so you are never caught off guard. Auto Mode uses the built-in laser particle sensor to automatically ramp fan speed up or down based on detected air quality, which helps balance purification performance with quiet operation and energy use. Built with a sleep-friendly mindset, the unit offers a dedicated Sleep Mode that dims the display and drops fan noise to a whisper, letting it run through the night without disturbing rest. The original filter (H13 True HEPA) and optional specialty filters for pets, toxin absorption or additional odor control let owners tailor filtration to their specific household needs, and the plastic housing is easy to wipe down. Overall it strikes a practical balance between smart convenience and genuinely effective air cleaning.
Customer reviews
Since running this in my bedroom every night my sinus issues have noticeably improved. The app is easy to use and Auto Mode does exactly what it should.
Love that I can check air quality from my phone. Only wish it had a longer scheduling window built into the app without needing to set it manually each week.
Works great and the filter really does trap pet hair and dander. Occasionally the app takes a few tries to reconnect after a router restart, but overall happy with it.
Sleep Mode is genuinely quiet, my daughter doesn't even notice it running. The filter replacement reminder is a nice touch so I never forget.



