# Levoit Core 300S vs Dyson Purifier Big+Quiet Formaldehyde BP04: specs and price compared

A sourced, side-by-side comparison of the Levoit Core 300S (Levoit) and Dyson Purifier Big+Quiet Formaldehyde BP04 (Dyson) among air purifiers. Levoit Core 300S is the cheaper of the two at $149.99.

## Side by side

| Spec | Levoit Core 300S | Dyson Purifier Big+Quiet Formaldehyde BP04 |
| --- | --- | --- |
| US price | $149.99 | $1199.99 |
| Brand | Levoit | Dyson |
| Released | 2021 | 2023 |
| Cadr smoke (CFM) | 141 | — |
| Coverage (sq ft) | 219 | — |
| Hepa | Yes | Yes |
| Filter type | Pre-filter + True HEPA + Activated Carbon (3-stage) | 360° HEPA H13 + K-Carbon filter + SCO (Selective Catalytic Oxidization) formaldehyde filter |
| Noise db min | 22 | — |
| Smart | Yes | Yes |
| Energy star | No | No |

## Key differences

- Filter type: Levoit Core 300S Pre-filter + True HEPA + Activated Carbon (3-stage) vs Dyson Purifier Big+Quiet Formaldehyde BP04 360° HEPA H13 + K-Carbon filter + SCO (Selective Catalytic Oxidization) formaldehyde filter

## What reviewers say

**Levoit Core 300S** — Two whitelisted hands-on testers reviewed this exact model: TechRadar (2023) and Tom's Guide (2025). Both measured it as genuinely quiet (60dB max at high speed) and praised its compact, low-cost, easy-to-set-up design. Both flagged sluggish, sometimes absent sensor response to sudden air-quality changes, making it better for steady background use than reactive cleanup. (2 sourced reviews.)

**Dyson Purifier Big+Quiet Formaldehyde BP04** — Three whitelisted outlets (TechRadar, Reviewed/USA Today, TechHive) hands-on or lab tested the Dyson Purifier Big+Quiet Formaldehyde; TechRadar and Reviewed covered the higher CO2-sensor trim (aligned with BP04) while TechHive tested the base Formaldehyde unit. All quotes and measured values below were verified as literal substrings of the fetched pages. All rate it a powerful, genuinely quiet large-room purifier with standout formaldehyde/VOC filtration and rare five-year HEPA H13 filter life, but flag its very high price and bulk. Reviewed's lab pegs particle CADR at only ~200 CFM (smoke) — good, not class-leading — and Dyson publishes no official CADR. (3 sourced reviews.)

## Sources

- Levoit Core 300S: https://www.levoit.com/products/core-300s-smart-true-hepa-air-purifier (levoit.com, verified 2026-06-15)
- Dyson Purifier Big+Quiet Formaldehyde BP04: https://www.dyson.com/air-treatment/air-purifiers/big-quiet-formaldehyde/prussian-blue-gold-bp04 (dyson.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/air-purifiers/levoit-core-300s-vs-dyson-purifier-big-quiet-bp04/
Cite: Per The Front Desk Review, Levoit Core 300S ($149.99) vs Dyson Purifier Big+Quiet Formaldehyde BP04 ($1199.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/air-purifiers/levoit-core-300s-vs-dyson-purifier-big-quiet-bp04/
License: CC BY 4.0.