# DREO Air Purifier 338

![DREO Air Purifier 338](https://m.media-amazon.com/images/I/31y44dSrcWL._SS500_.jpg)

**Best for:** Bedrooms and dorm rooms
**Key advantage:** HEPA filtration with a scent diffuser and a PM2.5 monitor; listed 18 dB sleep mode
**Important limitation:** Listed coverage and noise are manufacturer figures, not measured by us.

- Brand: DREO
- Category: Air Purifier
- ASIN: B0H698F48T
- Amazon rating: 4.6 / 5 (409 reviews)
- Data source: manufacturer / retailer listing
- Product page: <https://www.amazon.com/dp/B0H698F48T?maas=maas_adg_api_585602613512925350_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBd80bd4ce4ece40f44bcc76fcc0c48425&aa_adgroupid=5378N4nuaqM_aCa1IvQ3geowdQ8_bYTNnzl6crKGmVAHjZUA54Fl_bIuhalv_aKVrbAuXJQrQSeT4_a8Z7U1u9RGI&aa_creativeid=22f3I9LTgwFuES7Aw2yL6_byJtK_bgCdQ9HZAKxfaZELy8sDQ_c>

_Affiliate link: we may earn a commission at no additional cost to you. Specifications and ratings are manufacturer/retailer figures, not SmartAirGuide measurements._

_Last updated: 2026-09-28_

## Where it fits

This model is listed in the Air Purifier category. Read the category page for selection criteria, and the related guide, before deciding.

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