The Maze Automated Vent Arm makes caring for your greenhouse plants easier when you're not near. Set the opening temperature to suit your plants needs and the vent will open by itself when the warmer temperature is reached, and close when it cools down.

Shipping Group 1

FEATURES

• Automatically opens in warm temperature.
• Closes when temperature cools.
• Adjustable setting for opening temperature.
• Mechanical system - no electricity needed.