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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
4Total Product Weight: 10
Easy to assemble (instructions included)
Includes integrated rain gutters and roof vent
Includes integrated anchoring poles and a rail and hook system for adding curtains and or mosquito netting
Palram - Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses hg1007 4Total Product Weight: 10The 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
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