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Brand:aa
Product detail:
- High ventilation efficiency.
- No operation cost and environment-friendly.
- Long service life and no need of maintenance.
- Reliability service, convenient installation and no leakage.
- Using the air flow between the indoor and outdoor to drive the turbine operating.
- They can effectively exhaust the hot wet fan and grime air indoor out, and make fresh air entry on and on, to improve the air condition of the room
