Automatic Vent Operator

This addition automatically controls and stabilizes the air quality in your gardenhouse by expanding or closing the vents as needed. They are located on the roof and base of the structure and operate using paraffin (wax) that adjusts the vents according to the temperature.
What’s Included?
Vent(s)
Features
Expands at 65°F, pushing the vent open to its fully opened position at about 85°F
Closes the vents as it cools
Easily detachable for manual operation