# Classic 300S Smart Ultrasonic Humidifier vs MistAire Ultrasonic Cool Mist Humidifier: specs and price compared

A sourced, side-by-side comparison of the Classic 300S Smart Ultrasonic Humidifier (Levoit) and MistAire Ultrasonic Cool Mist Humidifier (Pure Enrichment) among humidifiers. MistAire Ultrasonic Cool Mist Humidifier is the cheaper of the two at $39.99.

## Side by side

| Spec | Classic 300S Smart Ultrasonic Humidifier | MistAire Ultrasonic Cool Mist Humidifier |
| --- | --- | --- |
| US price | $79.99 | $39.99 |
| Brand | Levoit | Pure Enrichment |
| Released | 2022 | — |
| Type | ultrasonic | ultrasonic |
| Tank capacity liters | 6 | 1.7 |
| Coverage (sq ft) | 505 | 250 |
| Runtime hours | 60 | 25 |
| Smart Wi-Fi | Yes | No |
| Top fill | Yes | No |
| Noise dba | 30 | — |

## Key differences

- Tank capacity liters: Classic 300S Smart Ultrasonic Humidifier 6 vs MistAire Ultrasonic Cool Mist Humidifier 1.7
- Coverage (sq ft): Classic 300S Smart Ultrasonic Humidifier 505 vs MistAire Ultrasonic Cool Mist Humidifier 250
- Runtime hours: Classic 300S Smart Ultrasonic Humidifier 60 vs MistAire Ultrasonic Cool Mist Humidifier 25
- Smart Wi-Fi: Classic 300S Smart Ultrasonic Humidifier Yes vs MistAire Ultrasonic Cool Mist Humidifier No
- Top fill: Classic 300S Smart Ultrasonic Humidifier Yes vs MistAire Ultrasonic Cool Mist Humidifier No

## What reviewers say

**Classic 300S Smart Ultrasonic Humidifier** — Only one whitelisted tester yielded a readable, hands-on review: Wirecutter names the Classic 300S its humidifier runner-up, calling it nearly as powerful and reliable as its Levoit LV600S top pick with a handy night-light, but flags an unintuitive icon-only interface, tricky cleaning, and reports of tank leaks. RTINGS (paywalled) and TechGearLab (site maintenance) were unreadable and discarded. (1 sourced review.)

## Sources

- Classic 300S Smart Ultrasonic Humidifier: https://levoit.com/products/classic-300s-smart-ultrasonic-top-fill-cool-mist-humidifier (levoit.com, verified 2026-06-15)
- MistAire Ultrasonic Cool Mist Humidifier: https://pureenrichment.com/products/mistaire-ultrasonic-cool-mist-humidifier (pureenrichment.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/humidifiers/levoit-classic-300s-vs-pure-enrichment-mistaire/
Cite: Per The Front Desk Review, Classic 300S Smart Ultrasonic Humidifier ($79.99) vs MistAire Ultrasonic Cool Mist Humidifier ($39.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/humidifiers/levoit-classic-300s-vs-pure-enrichment-mistaire/
License: CC BY 4.0.