Automatic Roof Vent Opener | Palram-Canopia work bench 8 mm multi-wall pre-cut polycarbonate

8 mm multi-wall pre-cut polycarbonate panels

(2) roof vents

and is assembled into one unit

Twin-Wall Roof Clear Walls Silver Frame

over 90% light transmission for thriving growth

Automatic Roof Vent Opener | Palram-Canopia work bench 8 mm multi-wall pre-cut polycarbonateAutomatic Roof Vent Arm Opener Automatic Climate Control for Palram Greenhouses ONLY The Automatic Vent Opener was designed to automatically control the temperature and humidity levels and provide additional ventilation when needed, making gardening easier. 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 temperature cools. The vent arm was designed with a