Palram-Canopia Automatic Roof Vent Opener for Most Canopia Greenhouses height_67-56 This system is easy to

This system is easy to install

Wall shelves for general storage purpose

Protective soft-holding steel hooks

Main Color: White Main Material: Stainless Steel Assembled Width (in): 97 Assembled Depth (in): 24 Assembled Height Min (in): 43

Palram-Canopia Automatic Roof Vent Opener for Most Canopia Greenhouses height_67-56 This system is easy toThe Automatic Vent Opener was designed to automatically control the temperature in Palram Canopia Greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the optimal temperature is reached. The vent arm was designed with the use of natural wax that expand to push a piston, which raises the window, as the air gets warmer then contracts as it cools, closing