19.69 in 23.23 in  | 18.66 in 31.42 in  | |
| Available colors | ||
| User rating |
 Blueair Classic 405 |  Philips AC3256 | |
|---|---|---|
| Adjustable speed level | yes | yes |
| Stepless control | no | no |
| Speed levels | 3 | 4 |
| Cleaning area (max) | 40 | 18 |
| Noise level |
| 32.0 dB |
| Blueair Classic 405 | Philips AC3256 | |
|---|---|---|
| Purifying technique | HEPA-filter | HEPA-filter |
| Airflow | 510.0 m³/h | 400.0 m³/h |
| Blueair Classic 405 | Philips AC3256 | |
|---|---|---|
| Colour of product | White |
|
| Blueair Classic 405 | Philips AC3256 | |
|---|---|---|
| Width | 19.69 in | 18.66 in |
| Height | 23.23 in | 31.42 in |
| Depth | 10.83 in | 13.39 in |
| Weight | 493.84 oz | 297.01 oz |
| Blueair Classic 405 | Philips AC3256 | |
|---|---|---|
| Display | yes | no |
| Mobile app | yes | yes |
| Blueair Classic 405 | Philips AC3256 | |
|---|---|---|
| Operational Power Consumption (min-max) | 15 - 90 | 11 - 60 |
| Pros | ||
|---|---|---|
| Cons |
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