Description
Automatically open and close cold frame lids, greenhouse windows and even skylights throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments. Requires no batteries or electricity, it starts opening between 63-75°F, depending on how you have adjusted the vent.
Features
- Solar Vent Opener can lift up to 15 lbs. Automatic window opener opens and closes your greenhouse vent panels
- Raise or lower the temperature setting with a simple twist of the cylinder and can be adjusted from approximately 65 to 80 degrees Fahrenheit
- No electrical power is required as the fluid-filled cylinders expand in warm temperatures
- Screw directly into polycarbonate panels, wood, or metal frames.
- Put the cylinder in a cool place at max. 50°F for at least 30 minutes before the assembly.