Vego | Greenhouse Roof Vent Auto Opener - 2 Pack Steel Storage 1 roof window with automatic

1 roof window with automatic opener (no electricity required)

The piston operates entirely through heat expansion

Year-round comfort with insulated

or ever need painting and is impervious to wood-eating insects

Home gardeners looking for a reliable

Vego | Greenhouse Roof Vent Auto Opener - 2 Pack Steel Storage 1 roof window with automaticThe 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