Product Information
- High-quality materials: Our set of greenhouse window openers are made of high-quality aluminum alloy materials, which are durable
- Temperature control: Automatically open and close the window according to the temperature change, no need for you to manually open the window, which is more convenient and simple
- Non-electric design: non-electric, use solar energy, open or close the greenhouse vents as the temperature rises or falls
- Best greenhouse accessories: Automatically change with the temperature to maintain the optimal growth temperature and prevent your greenhouse from overheating
- Double spring design: can be clamped or screwed to the greenhouse frame. Double spring design, opening and closing more easily and conveniently, easy to use and install

















