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Compare wick-filter evaporation with ultrasonic visible mist, including upkeep, noise, room fit, and diffuser look-alike risks.
LEVOIT Classic 300S Ultrasonic Smart Top Fill Humidifier: APP and voice control for remote monitoring and adjustment
For families in dry climates or those battling seasonal allergies, the LEVOIT Classic300S is more than a humidifier—it's a silent guardian for your home's comfort. You might think of humidifiers as winter tools, but this one adapts to your daily rhythm, from morning aromatherapy to quiet nighttime relief.
Its Auto Mode uses sensors to maintain perfect humidity, so you stop guessing and start breathing easier. The top-fill design means no spills during refills, and the 6L tank runs for days without a refill. Control it from your phone or with your voice, adjusting settings without leaving your couch. The sleep mode is so quiet, you'll forget it's on until you wake up without a scratchy throat.
Features
- Auto mode with advanced sensors for consistent humidity
- Extra large 6L tank for up to 60 hours of runtime
- Essential oil diffuser for aromatherapy
- Quiet sleep mode and night light
- Top fill design for easy refill and cleaning
- APP and voice control for remote monitoring and adjustment
General specs
- Brand: LEVOIT
- Model: Classic 300S
- Seller: Amazon
- ID: B09C24TYGQ
- Weight: 1950.45
- Material: Plastic
- Mist Type: Cool Mist
- Dimensions: 7.5, 13.4, 9.6
- Connectivity: Wi-Fi
- : Yes
- Coverage Area: 505
- Control Method: App, Voice
- Water Tank Capacity: 6
- Humidification Method: Ultrasonic
- Voice Assistant Compatibility: Amazon Alexa
- First listed by seller: 1/16/26
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
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Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
$79.99
Free shipping
New
Sold by Amazon
FBA
Shippable
Used from
$42.23
Only from Used + Shippable live offers
Used offers
Used - Acceptable
· Third-party seller
· FBA · Shippable
$42.23
Used - Good
· Third-party seller
· FBA · Shippable
$42.71
Used - Very Good
· Third-party seller
· FBA · Shippable
$43.19
Used - Like New
· Third-party seller
· FBA · Shippable
$43.67
Offers updated: 6/14/26
Price History for seller Amazon
Shipping options
Delivery to 
United States
United States
Available
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LEVOIT Classic 300S Blue
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| Brand | LEVOIT | MERONTE | MERONTE | Dreo | MONISEN | Zeova |
| Model | Classic 300S | 1 | 1 | DR-HHM003S | HQ-JS2303 | JS01 |
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| Price | $79.99 | $39.73 | $49.99 | $89.99 | $74.93 | $119.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 20, 2026 | May 29, 2026 | Apr 15, 2026 | May 9, 2026 | May 29, 2026 | May 3, 2026 |
| Weight | 1950.45 | 2699.4 | 2191.0 | |||
| Mist Type | Cool Mist | Cool Mist | Cool Mist | Warm & Cool Mist | Cool Mist | Cool Mist |
| Dimensions | 7.5, 13.4, 9.6 | 7.4, 12.67, 9.4 | 7.4, 12.67, 9.4 | 6.14, 13.93, 11.4 | 13.99, 31, 13.99 | 7.48, 26.18, 7.48 |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | ||
| Yes | Yes | Yes | Yes | |||
| Coverage Area | 505 | Large | 2000 | 550 | ||
| Control Method | App, Voice | App, Touch, Voice | Touch, App, Voice | App | App, Remote, Touch | App, Remote, Touch |
| Water Tank Capacity | 6 | 6 | 6 | 6 | 4.5 | 9.0 |
| Humidification Method | Ultrasonic | Ultrasonic | Ultrasonic | Ultrasonic | ||
| Voice Assistant Compatibility | Amazon Alexa | Amazon Alexa | Amazon Alexa | Amazon Alexa | ||
| Runtime | 50 | 50 | 60 | 56 | 60 | |
| Filter Type | Demineralization Cartridge | Filterless | Filterless | |||
| Mist Output | 500 | 600 | 150, 180, 220, 300 | |||
| Power Source | Corded Electric | Corded Electric | Corded Electric | |||
LEVOIT Classic 300S Blue
$79.99
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