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VI-46 to be placed on top of a knee wall - usually 20" - 36" high (24" might be best)
all hardware included and 42
Assembled size: 33
15ft x 27ft = 405 sf
Vego | Greenhouse Roof Vent Auto Opener - 2 Pack Aluminet VI-46 to be placed onThe Vego greenhouse roof vent auto opener helps your greenhouse regulate airflow automatically without electricity, wiring, or daily adjustments. As temperatures rise, the hydraulic cylinder gradually opens the roof vent to release excess heat. As temperatures cool, the vent slowly closes to help retain warmth and stabilize the growing environment. For many greenhouse growers, ventilation quickly becomes one of the most important upgrades after
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