Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses vacuum pump for freeze dryer Holding Capacity: 6

Holding Capacity: 6

Heavy-duty extruded aluminum frame construction

Full-color

and the Sun Room Six and Sun Room Eight

These panels create a more even light flow into the greenhouse creating a glow instead of a light beam effect for more even light distribution for a longer period of time

Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses vacuum pump for freeze dryer Holding Capacity: 6The 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,