| Specification | Blueair Blue 311 Auto | Alen 45i |
|---|---|---|
| Cadr (clean Air Delivery Rate) | ||
| Pollen (cfm) | 244 | 245 |
| Dust (cfm) | 250 | 245 |
| Smoke (cfm) | 250 | 245 |
| Physical | ||
| Height (inch) | 10.2 | 25 |
| Width (inch) | 20.5 | 15 |
| Weight (lbs) | 11.35 | 0.66 |
| Lenth (inch) | 10.2 | 8.5 |
| General | ||
| Number Of Cleaning Stages | 5 | |
| Number Of Air Filters | 1 | 2 |
| Filtered Or Filterless | Filtered | Filtered |
| Noise Level | 23 | 23 |
| Features | ||
| Others | Large Room up to 1862sqft in 60 min | 5 Air quality colors & 800 sq. ft Space |
| Remove | Removes 99.99% of pollen, helping reduce allergens and pollutants that trigger allergy and asthma symptoms | Airborne allergens, dust, orders, pet smells, fur, bacteria, and mold spores |
| Timer | ||
| Hepa Filter | ||
| Portable |