DURABLE MATERIALS-Made of high quality of galvanized steel.Durable and strong for long time use.
PERFECT FOR GREENHOUSE WINDOW-This vent opener will automatically open and close your greenhouse window while the environment temperature changes , which will help you maintain the best growing temperature and prevents your greenhouse from overheating.
SOLAR POWERED&ECONOMIC-Use solar energy only,no batteries or electricity required..Economic and Eco-friendly.
HIGH LIFT CAPABILITY-Lifts vent weight up to 15.4 lbs ( 7 kg ),covers most of greenhouse windows.If it is still not enough for your window,you could use two window openers together.
EASY INSTALLATION- Fit for most of aluminum&wooden frame greenhouse. Comes with a fitting accessory pack and a detailed manual for easy installation.
