Sigma Automatic Roof Vent Terra space-efficient design perfect for commercial

space-efficient design perfect for commercial growers

providing temperature stability for your plants

Complete set

providing ample space for various crops

Sigma Automatic Roof Vent Terra space-efficient design perfect for commercialPlease note: this window only fits Sigma Greenhouse models. Supercharge your Sigma Greenhouse with the Planta Sigma Automatic Ventilation Window. Improve air circulation by bringing in the fresh outside breeze, keeping your plants healthy and disease free. The automatic ventilation window is heat activated, which requires no electrical power or programming. This function ensures that hot air escapes during the day, preventing shrivelling or withering