Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses PATIO CHAIR Minimal maintenance is required

Minimal maintenance is required

Beauty and mechanics are the main focus in Palram - Canopia’s latest hobby greenhouse

3” wide x 71" tall)

With heavy-duty swivel caster wheels

home-prepared food they deserve and crave

Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses PATIO CHAIR Minimal maintenance is requiredThe 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,