Palram-Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses workbenchwithdrawers high-quality (yet lightweight) aluminum frame

high-quality (yet lightweight) aluminum frame is powder coated in white

you will have created your new favorite outdoor structure

The anti-mold IXPE foam backing not only eliminates the need for a flooring underlay

combines two decades of design innovation and uncompromising craftsmanship to create the highest quality outdoor products—helping you safely gather with loved ones and make the most of every moment outdoors

H Internal Post-to-Post Size: 9

Palram-Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses workbenchwithdrawers high-quality (yet lightweight) aluminum frameThe Automatic Vent Opener was designed to automatically control the temperature in your Greenhouse. 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 expands as the air gets warmer, to push a piston which raises the window, then contracts as it cools, closing with the