Choose either model after comparing CADR, recommended room size, noise, and filtration below.
Which purifier has higher CADR?
The Alen 45i has a smoke CADR of 255 CFM versus 250 CFM for the Levoit Vital 200S-P v8flnx, a difference of 2%.
Which purifier is quieter?
Both list a minimum of 23 dB.
Which purifier covers a larger room?
Alen 45i fits a larger room (about 395 vs 388 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (True HEPA filtration, Whisper-quiet operation, Smart Sensor, Auto Mode vs Smart Control, Voice Command, Real-Time Air Quality Readings, Auto Mode).
Which purifier has better filtration?
Alen 45i lists HEPA; Levoit Vital 200S-P v8flnx lists 3-stage (Pre-filter, Main Filter, Activated Carbon Filter).
Bottom line
Choose either model after comparing CADR, recommended room size, noise, and filtration below.
| Metric | Alen 45i | Levoit Vital 200S-P v8flnx | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 255 CFM | 250 CFM | Alen 45i (+2%) |
| Recommended room size | 395 sq ft | 388 sq ft | Alen 45i (+2%) |
| Manufacturer claimed coverage | 1900 sq ft | 1875 sq ft | — |
| Minimum noise | 23 dB | 23 dB | — |
| Filter type | HEPA | 3-stage (Pre-filter, Main Filter, Activated Carbon Filter) | — |
| Replacement interval | — | about 12 months | — |
| Power | — | 50W | — |
| Wi-Fi / app | Yes | Yes | — |
| Dimensions | — | 15.6 × 8.5 × 19.8 in | — |
| Weight | 14 lb | 13.2 lb | — |