Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses PATIO CHAIR while the side lockable door

while the side lockable door provides added convenience and security

For use as a precautionary measure in areas prone to high winds and heavy snowfall

The design differences include the UNIQUE AND UPGRADED 8MM TWIN-WALL POLYCARBONATE WITH A LIGHT DIFFUSING FEATURE

75″ H - for small Harvest Right Home Freeze Dryers (Classic or Pro) - Set of 4

Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses PATIO CHAIR while the side lockable doorThe Automatic Vent Opener was designed to automatically control the temperature in all Palram Canopia Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse and closes when the optimal temperature is reached. The vent arm was designed with the use of natural wax that expands to push a piston, which raises the window, as the air gets warmer then contracts as it cools,