The C5 series is a new type of window style fresh air product that achieves ventilation and filtration functions by adding a fresh air ventilation window sash on the basis of the Lan-system  doors and windows. It utilizes the principle of positive and negative air pressure to introduce fresh air while expelling indoor polluted gases.

Function introduction:

1. Heat exchange function

2. Air filtration function

3. Intelligent air quality detection function

4. Remote control function of mobile phone

5. Window anti-theft and mosquito prevention functions

6. Easy and fast replacement of filter element

Real case