| Specification | Winix AM90 | Dyson PH04 |
|---|---|---|
| General | ||
| Filtered Or Filterless | Filtered | Filtered |
| Noise Level | 27 | |
| Number Of Cleaning Stages | 4 | |
| Number Of Air Filters | 3 | 1 |
| Features | ||
| Timer | ||
| Hepa Filter | ||
| Portable | ||
| Others | 360sq ft Room Capacity, Amazon Alexa and Dash Replenishment Enabled | Control your machine with simple, spoken instructions. Works with Amazon Alexa and Apple Siri |
| Remove | airborne pollutants; dust mites, pet dander, pollen and other allergens as small as 0. 3 microns | |
| Physical | ||
| Weight (lbs) | 16.5 | 27.8 |
| Lenth (inch) | 15.1 | 39.3 |
| Height (inch) | 23.5 | 13.6 |
| Width (inch) | 8.7 | 14.2 |
| Cadr (clean Air Delivery Rate) | ||
| Smoke (cfm) | 230 | |
| Pollen (cfm) | 240 | |
| Dust (cfm) | 233 |