Canopia by Palram Greenhouse Automated Vent Opener

Engineered specifically to replace a manual vent arm in the Build & Grow and Snap N Grow model greenhouses only. Automated vent arms open and close vent based on specified temperatures.

Features:

• Calibrated spring tensions
• Resists wind damage when opening or closing
• No electricity or controllers
• Strong, durable, corrosion-resistant component