| Specification | Coway Airmega 400 | Dyson PH04 |
|---|---|---|
| General | ||
| Number Of Air Filters | 1 | 1 |
| Filtered Or Filterless | Filtered | Filtered |
| Noise Level | 22 | |
| Number Of Cleaning Stages | 4 | |
| Features | ||
| Remove | Bacteria, Dust, Mold, Odors, Particulates, Pollen, Viruses | |
| Timer | ||
| Hepa Filter | ||
| Portable | ||
| Others | True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft, Eco Mdoe | Control your machine with simple, spoken instructions. Works with Amazon Alexa and Apple Siri |
| Physical | ||
| Weight (lbs) | 24.7 | 27.8 |
| Lenth (inch) | 14.8 | 39.3 |
| Height (inch) | 22.8 | 13.6 |
| Width (inch) | 14.8 | 14.2 |
| Cadr (clean Air Delivery Rate) | ||
| Smoke (cfm) | 350 | |
| Pollen (cfm) | 400 | |
| Dust (cfm) | 350 |