| After-sales Service: | on-Line Support |
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| ventilation mode: | mechanical ventilation |
| Certification: | ISO9001, ROHS, CE |
| Application: | Bedroom, Study Room,Classroom,Hotel Room etc. |
| Speed: | 8 Speeds Control |
| Type of Function Optional: | CO2 Sensor Version, Pm2.5 Filter Version, Optional |
| Samples: |
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| Customization: |
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