Palram-Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses workbenchwithdrawers 1x GAWB06HWEG - Gladiator 6

1x GAWB06HWEG - Gladiator 6 ft

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

PRO Series Black 28 in

Palram-Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses workbenchwithdrawers 1x GAWB06HWEG - Gladiator 6The 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