-
Install anti-theft screens.
-
Equipped with an inverted window, not afraid of children climbing.
The ventilation window on the security door is not very large. >>>More
Buy an air purifier, there are a lot of beautiful looks on the market. It is specially designed to remove oil smoke and dust, and can also eliminate formaldehyde and improve air quality. The air purifier produced by Shenbo Electric is good, the price is medium, and the quality is also good.
If your security door has not been installed, the security door manufacturer can provide such a service.
It cannot be changed unless you choose a new one with ventilation. >>>More
1.Anti-theft doors and ventilation windows effectively improve indoor air circulation and promote harmful gas emissions in newly renovated roomsIt is ventilated in the summer and ventilated in the winter. >>>More