Material: Stainless Steel
Size: 33 cm
Color: silver or black
Quantity: 1 x window opener
1. This innovative window opener allows the automatic opening and closing of the greenhouse windows to maintain the best-growing temperature and prevent the greenhouse from overheating.
2. The single spring vent opener can be closed manually and it’s easy to install as it is suitable to most aluminum frame greenhouse.
3. It is an electricity saver because it is solar-powered.
4. The window opener can be clamped to the greenhouse frame or it can be screwed onto the greenhouse frame.
5. Make sure your greenhouse window is free to open at least 45 cm (18″).