Comparison between Xiaomi Mi Air Purifier 2 vs RPM Airtech AT 21 Air Purifier and Humidifier Air Purifier. The comparision between these Air Purifier is based on Quick Specs, Basic Information, Features, Technical Specifications and Other Basic Features. Also see Price Comparision between Xiaomi Mi Air Purifier 2 vs RPM Airtech AT 21 Air Purifier and Humidifier Air Purifier
| Power Consumption | 31 | N/A | ||
| Power Requirement | 100-220, 50/60 | N/A | ||
| Air Flow Level | N/A | N/A | ||
| Number of Speed Settings | N/A | N/A |
| Brand | Xiaomi | RPM Airtech | ||
| Model name | Mi Air Purifier 2 | AT 21 Air Purifier and Humidifier | ||
| Type | Homes | Homes | ||
| Filter Type | Triple Layer ( Primary, HEPA and activated Carbon) Filter | N/A | ||
| Features | N/A | N/A | ||
| Coverage Area | 400 sq ft | N/A |
| Dimensions | 24 x 24 x 52 | 60 x 40 x 24 | ||
| Colour | White | Silver | ||
| Weight | 4.8 | 8 |
| Noise Level | 30 | N/A | ||
| Ionizer | N/A | N/A | ||
| Clean Air Delivery Rate / Air Flow Rate | 310 | N/A |
| Portable | Yes | Yes | ||
| Indicators | Air Quality indicator light, WiFi indicator light, | Air Quality indicator, Humidity indicator, | ||
| Silent Mode | N/A | N/A | ||
| Child Lock | N/A | N/A | ||
| Wifi | Yes | No | ||
| Air Quality Sensor | Yes | Yes | ||
| Tempertature and Humidity Sensor | Yes | N/A | ||
| Auto Mode | Yes | Yes | ||
| Night Mode | Yes | N/A | ||
| Filter Change Alert | Yes | N/A |
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