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Clear Wall Panels: Crystal-clear side panels provide over 90% light transmission
Polycarbonate Roof Panels
Planter treated with food safe preservative
With two types of glazing
Clean-lined
Automatic Roof Vent Arm Opener for Rion Greenhouses EcoGrow Clear Wall Panels: Crystal-clear sideAutomatic Roof Vent Arm Opener Automatic Climate Control for EcoGrow, Prestige and Grand Gardener Greenhouses ONLY The Automatic Vent Opener for Rion Greenhouses, was designed to automatically control temperature and humidity levels. As the air inside your Rion Greenhouse warms, the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the temperature cools. All you need to do is to install it on your roof
