1. The frame PVC, fan leaf solar panel, and solar panel adopt domestic famous brands; The others are ABS, and the counterweight is sprayed plastic (iron);
2. Transparent sunlight plate, stainless steel rotary shaft, automatic opening of negative pressure, adjustable opening, and customizable size;
3. The maximum customized size: High:1680mm Wide:1600mm.
The air inlet can be closed or opening very sensitively and conveniently while detecting the change of pressure to maintain the indoor and outdoor pressure difference (the automatic opening pressure can be freely adjusted) and make the external strong light soft. The plate is selected from the domestic famous brands, which has a good light transmission and is not easy to deform. The rotating shaft is made of solid stainless steel round bar, which is stable and reliable for opening and closing. The pull-type opening parts can be added to control the opening and closing by the winch. There are various sizes to be customized as it might be needed by the customer.
| Layers | External dimensions | Insallation dimensions | Cube meter hour | |
| 3 | 940mm | 840mm | 850mm | Width can be customized |
| 4 | 1220mm | 1120mm | 1130mm | |
| 5 | 1500mm | 1400mm | 1410mm | |
| 6 | 1780mm | 1680mm | 1690mm |
1. The width can be adjusted according to the actual situation, and the optimal width is 120-150cm
2. The size of the opening should be 10mm larger than the size of the inner frame.
