Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses and Sunrooms shed kits Filter measures 3

Filter measures 3

Footage: 270 sq ft

front entry

this hanging wall cabinet is the perfect choice for your home or garage

Thermometer included

Palram - Canopia | Automatic Roof Vent Opener for Palram - Canopia Greenhouses and Sunrooms shed kits Filter measures 3The Automatic Vent Opener was designed to automatically control the temperature in all Palram Canopia Greenhouses, and the Sun Room Six and Sun Room Eight. 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 as the air gets warmer, to push a piston which raises