1. Ventilation skylights prevent rain, insects, noise, and sand from entering the interior during ventilation.

2. Ventilation is不受限制 by time, wind direction, or season; it can be safely used even when no one is inside or during sleep.

Used, there will be no thieves or cross-ventilation intrusion.

3. The upward airflow design ensures that the wind entering the room does not blow directly on people or items.

4. Compared to window ventilation, it can reduce indoor heat loss, as it does not require power-driven control (electric). Hence, it is energy-efficient.

Can advantages.

5. Due to the scientifically designed structure of the product and the use of high-quality manufacturing materials, no after-sales maintenance is required, with the door

Window lifespan.

6. Ensuring the safety of window and door usage without the need for ventilation, thus enhancing the overall architectural appearance.

Aesthetically pleasing.