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| Item | Philips AC4221 Air Purifier |
|---|---|
| SahiRating score | 9.4 |
| Cleaning | |
| CADR (brand claim) | 600m³/h |
| Recommended room size (claim) | 780sq ft |
| Comfort | |
| Lowest noise (claim) | 15dB |
| Ownership | |
| Warranty | 2years |
| Cost | |
| Filter life (claim) | 9,000hours |
| Buy | Check on Amazon |