Back to Catalog720 Hongmeng Smart Air Purifier 3i Formaldehyde Removal Odor Smoke Pet Bacteria Allergy Bedroom Small Apartment Compatible with Huawei Smart Life
Specifications
- Functions
- 除甲醛, 除PM2.5, 除宠物异味
- Energy efficiency rating
- Grade 3 energy efficiency
- Special features
- 滤网更新提醒, 睡眠模式, 自动托管
- Type
- Household use
Variants / Sale Attributes
Package Contents
Air purifier 3i (including filter cartridge/power cord) ×1, Quick start guide ×1, First-time use guide ×1
Product Description
Product Specifications
Overview
- Brand
- 720, Hongmeng Zhixuan (HarmonyOS Select)
- Brand Description
- HarmonyOS Select is Huawei’s premium ecosystem product brand, co-created with selected partners to deliver smart, beautiful, and trustworthy HarmonyOS lifestyle solutions.
- Product Name
- 720 Smart Air Purifier 3i
Compact and versatile design suitable for multiple scenarios including apartments and children's rooms.
Powerful purification with 6-layer high-performance filter system.
Intelligent operation with smart modes and real-time air quality monitoring.
Energy-saving and quiet operation modes.
Supports HarmonyOS ecosystem with NFC touch activation.
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Particulate Matter CADR400 m³/h (nominal) Formaldehyde CADR150 m³/h (nominal) Purification CycleApprox. 3.5 minutes per cycle in 48 m² space Noise Level29.3 dB(A) (sleep mode) to 65 dB(A) Dimensions240 x 240 x 473 mm DisplayScreen shows air quality, PM2.5 levels, fan speed, mode, and device status 1. Pre-filter for hair, dust, and large particles
2. High CTC activated carbon for formaldehyde, benzene, and TVOC adsorption
3. Micron active silica for formaldehyde interception
4. Imported antibacterial fiber to inhibit bacteria
5. Lysozyme for bacteria and virus inactivation
6. H13 grade HEPA filter capturing 0.1μm fine particles
Additional details
- Filter lifespan
- 6-10 months (daily cost approx. 0.73 RMB)
- Filter replacement
- Reset via device buttons or Huawei Smart Life app
NFC touch to activate smart functions
Energy-saving mode extends filter life by 30%
Sleep mode with ultra-quiet operation (noise as low as 20 dB)
Real-time indoor air quality tracking with PM2.5, temperature, humidity, and TVOC sensors
Air quality trajectory and status displayed on screen
Particulate matter (PM2.5, dust, pollen, pet dander)
Formaldehyde and other harmful gases (benzene, TVOC)
Bacteria and viruses (99.99% filtration and inactivation)
Odors and allergens (dust mites, secondhand smoke)
Ideal for apartments, children's rooms, bedrooms, and multi-scenario use
Suitable for users seeking strong purification, formaldehyde removal, and smart home integration
Power off and unplug before cleaning
Clean exterior with a damp soft cloth
Remove and air-dry filters; do not wash with water
Use vacuum or cool air blower to clean sensor and filter compartments
Follow instructions for filter replacement and reset
720 Smart Air Purifier 3i is compact and cost-effective for up to 48m²
Other models available for larger spaces and specialized needs (e.g., pet owners, whole-house purification)
Tested CADR values verified by third-party labs
All data are based on Huawei’s internal testing and third-party verification. Specifications are subject to change without notice.
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