Huawei KJ400F-C400i Air Purifier: H13 HEPA filter with 99.95% efficiency for 0.3-0.5um particles
For families in homes with pets or young children, managing indoor air quality is a daily concern. This air purifier offers more than just filtration; it provides a healthier living environment by actively removing allergens and pollutants. The smart filter management system uses NFC tags to guide you through correct installation and track usage, ensuring optimal performance without guesswork.
You can monitor air quality in real-time through the app, with alerts for formaldehyde and particulate levels. The purifier integrates seamlessly with your smart home via Huawei's ecosystem, allowing voice control through compatible devices. Its H13 HEPA filter captures 99.95% of particles as small as 0.3 microns, while the dual formaldehyde removal system works efficiently in spaces up to 48 square meters. This unit helps you breathe easier, whether you're working from home or settling in for the night.
Features
- Dual formaldehyde removal system with 99.9% per hour removal rate
- Smart home integration with Huawei ecosystem and HarmonyOS compatibility
- Nanoelectricity field active killing technology for sterilization
- Real-time filter life display and easy replacement process
- Maximum noise of 64dB and energy efficiency level 2
- H13 HEPA filter with 99.95% efficiency for 0.3-0.5um particles
General specs
- Brand: Huawei
- Model: KJ400F-C400i
- Seller: Joom
- ID: 68d7f4c768c64001c23fe7ae
- Weight: 11.02
- Wattage: 45.0
- Dimensions: 9.84, 9.84, 19.69
- Filter Type: HEPA H13
- Noise Level: 28.0, 64.0
- Power Source: Corded Electric
- Air Treatment: Ionizer
- Coverage Area: 430.56
- Certifications: CE, FCC, RoHS
- Control Method: App
- Voice Assistant: Amazon Alexa, Google Assistant
- OS Compatibility: Android, iOS
- App Compatibility: Mi Home
- Filtration Stages: 3
- Minimum Particle Size: 0.3
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Russia
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| Brand | Huawei | Huawei | Huawei | Dyson | DAYETTE | Jafända |
| Model | KJ400F-C400i | 1i | KJ400F-C400i | TP09 | AP402 | JF239 |
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| Price | $306.78 | $45.97 | $184.88 | $621.88 | $89.99 | $72.99 |
| Seller | Joom | Joom | Joom | Vashtovar.rf | Amazon | Amazon |
| Update | Feb 15, 2026 | Feb 15, 2026 | Feb 6, 2026 | Aug 19, 2024 | Jan 21, 2026 | Feb 7, 2026 |
| Weight | 11.02 | 8.8 | 9.3 | 7.054792384 | ||
| Dimensions | 9.84, 9.84, 19.69 | 280, 280, 560 | 9, 17, 9 | 299.99999994, 379.99999999, 159.99999999 | ||
| Filter Type | HEPA H13 | HEPA | HEPA | HEPA H13 sealed | H14 Ture HEPA | True HEPA |
| Noise Level | 28.0, 64.0 | 22 | 20 | |||
| Air Treatment | Ionizer | Ionizer | Ionizer | Activated Carbon | ||
| Coverage Area | 430.56 | 720 | 3000 | 1100 | ||
| Certifications | CE, FCC, RoHS | CE, FCC | CE, FCC | AHAM | ||
| Control Method | App | App | App | App, Voice | App, Voice | |
| Voice Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Amazon Alexa | |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | ||
| Filtration Stages | 3 | 3 | 3 | 4 | 3 | |
| Minimum Particle Size | 0.3 | 0.3 | 0.1 | 0.3 | ||
