| Specification | Alen BreatheSmart 75i | Coway 250S |
|---|---|---|
| Cadr (clean Air Delivery Rate) | ||
| Dust (cfm) | 347 | 261.2 |
| Smoke (cfm) | 347 | 248.5 |
| Pollen (cfm) | 347 | 230.1 |
| Physical | ||
| Width (inch) | 19 | 18.5 |
| Weight (lbs) | 27 | 20.5 |
| Lenth (inch) | 12 | 8.3 |
| Height (inch) | 15.6 | 19.7 |
| General | ||
| Number Of Cleaning Stages | 3 | 3 |
| Number Of Air Filters | 1 | 3 |
| Filtered Or Filterless | Filtered | Filtered |
| Noise Level | 49 | 22 |
| Features | ||
| Others | Quiet Air Flow for Large Rooms, 1300 SqFt, Air Purifiers for Bedrooms, Living Room, Kitchen, Pure HEPA Air Filter, Smart Air Cleaner | App-Enabled Smart Technology, Compatible With Amazon Alexa |
| Remove | Pollen, Dust, Dander, Pet Air, Mold | |
| Timer | ||
| Hepa Filter | ||
| Portable |