LEVOIT Classic 300S Smart Humidifier, Ultrasonic Top-Fill Cool Mist, 6L Tank, Essential Oil Diffuser
4.4(33,095)
$69.99$79.99−13%
Price as of Jul 20, 2026 — subject to change. See current price on Amazon.
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A top-fill ultrasonic cool-mist humidifier with a 6-liter tank, smart app/voice control, and an essential-oil diffuser tray.
Pros
- Very long runtime, up to ~46 hours on one 6L tank fill
- Quiet operation (~38.5dB), well-suited to bedrooms
- Easy to clean/maintain with an accessible top-fill design
- VeSync smart app and voice control with humidity presets
Cons
- Underpowered for larger rooms per tested reviews
- Can develop white mineral dust if tap (non-distilled) water is used
- Ongoing cost of filters; faint buzzing/dripping possible at night
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