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Spring tensions, No electricity or controllers
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 components
Warranty:
- 1 year
>Standard delivered 4-5 Business Days
Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)
