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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Built-In Gutters
Clear Wall Panels: Crystal-clear side panels provide over 90% light transmission
Large housing for balanced warm air flow
With two types of glazing
4 Roof Vents Window Included
Automatic Roof Vent Arm Opener for Rion Greenhouses EcoGrow Built-In GuttersAutomatic 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
