**Product Specifications:**
**Brand:** Mi Air Purifier MAX Filter
**Model:** Formaldehyde Removal Enhanced Version
**Quantity:** 2 filters per pack
**Features:**
- Double-layer activated carbon filtering
- Formaldehyde CADR 400m3/h*
- 0.3um filter efficiency 99.97%
- Recommended filter replacement every 6-12 months
**Technology:**
- RFID technology
- Dual-layer high-quality activated carbon
- 3x increase in formaldehyde CADR
**Filter Efficiency:**
- Removes harmful gases such as formaldehyde
- Nanoparticle filtration efficiency:
- 80-90 nanometers: 99.98%
- 90-100 nanometers: 99.99%
- 100-110 nanometers: 99.99%
**Formaldehyde Removal Process:**
- Two-step formaldehyde removal process
- Efficient formaldehyde trapping technology
- Green catalyst for harmless formaldehyde decomposition
**Additional Features:**
- High-precision filter for H1N1 virus removal rate >99.99%*
- Particle CADR 700m²/h*
- OLED screen for filter replacement reminder
- Mi Home app compatibility for filter monitoring
**Test Results:**
- Formaldehyde CADR 400m3/h*: Tested by Weike Detection Technology Co., Ltd.
- 3x increase in formaldehyde CADR: Calculated based on test data
- Formaldehyde CCM level up to F4: Tested by Weike Detection Technology Co., Ltd.
*Note: The specifications are based on testing reports and data provided by relevant testing authorities.
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