Huawei KJ400F-C400i Air Purifier: HEPA filter
This air purifier is ideal for parents who want cleaner air in a child's bedroom or a home office. While many focus on air quality, this model offers quiet reassurance for light sleepers and remote workers.
The noise level stays low enough that you can run it overnight without disturbing sleep. The smart app lets you check air quality from your phone, so you know the room is fresh before you walk in. It removes particles and formaldehyde, helping reduce allergens and odors. Voice and touch controls make it easy to adjust settings without interrupting your day.
Features
- Voice and app control
- Formaldehyde removal
- Sterilization function
- Particle removal
- Low noise operation
- HEPA filter
General specs
- Brand: Huawei
- Model: KJ400F-C400i
- Seller: Joom
- ID: 68d7eb6068c64001c23cc94f
- Filter Type: HEPA
- Air Treatment: Ionizer
- Coverage Area: 720
- Certifications: CE, FCC
- Control Method: App
- Voice Assistant: Amazon Alexa, Google Assistant
- OS Compatibility: Android, iOS
- Filtration Stages: 3
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$190.75
Last price update: 12/6/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Huawei KJ400F-C400i White HEPA filter
|
ECOSELF HAP-603 White
|
ECOSELF HAP602 White Covers up to 2400 sq ft every 30 minutes
|
MERONTE MR7566-WF White Covers up to 3600 square feet
|
Mooka Family E-300L White Covers up to 2000 square feet
|
ECOSELF HAP-602WF White Covers up to 2400 sq ft
|
|
| Brand | Huawei | ECOSELF | ECOSELF | MERONTE | Mooka Family | ECOSELF |
| Model | KJ400F-C400i | HAP-603 | HAP602 | MR7566-WF | E-300L | HAP-602WF |
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| Price | $190.75 | $215.99 | $148.99 | $119.99 | $79.99 | $89.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 31, 2026 | January 21, 2026 | December 6, 2025 | December 9, 2025 | December 6, 2025 | January 21, 2026 |
| Filter Type | HEPA | True HEPA | HEPA | True HEPA | True HEPA, Activated Carbon | HEPA |
| Air Treatment | Ionizer | Ionizer | Activated Carbon | Ionizer | ||
| Coverage Area | 720 | 2400 | 2400 | 3600 | 2000 | 2400 |
| Certifications | CE, FCC | ETL, FCC, EPA, CARB, DOE | ETL, FCC | |||
| Control Method | App | App, Voice | Button | App, Button | ||
| Voice Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | |||
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | |||
| Filtration Stages | 3 | 3 | 4 | 3 | 3 | |
| Weight | <num1>, <num2> | 8.27 | <num1>, <num2> | |||
| Dimensions | <num_width>, <num_height>, <num_z> | 299, 400, 145 | 340, 643, 340 | 294.64, 409.96, 70 | 299.72, 400.05, 144.78 | |
| Noise Level | 22 | 20 | 23 | 20 | <num1>, <num2> | |
| App Compatibility | Mi Home | Mi Home | ||||
Air Purifier
$190.75
Reviews
3.95
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