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It features two walls made of polycarbonate
6Width (in): 72
hanging baskets or pots
Why do you need a Jefferson Premium Grower's Greenhouse
Rion Automatic Roof Vent Opener for Rion Greenhouses HG1010 It features two walls madeThe Automatic Vent Opener was designed to automatically control the temperature in all Rion 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 expands as the air gets warmer, to push a piston which raises the window, then contracts as it cools, closing with