Vego | Greenhouse Roof Vent Auto Opener - 2 Pack Aluminet Function1: operate fans during hot

Function1: operate fans during hot days

VI-46 to be placed on top of a knee wall - usually 20" - 36" high (24" might be best)

Assembled size: 33

Freeze Dryer Package Dimensions: 26″W x 36″L x 41″H

Is installation difficult

Vego | Greenhouse Roof Vent Auto Opener - 2 Pack Aluminet Function1: operate fans during hotThe 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