Sigma Automatic Ventilation Window ministar recommendation and long-lasting with a 10-year

and long-lasting with a 10-year warranty

The Airponic Fruit tower hydroponic system gives you the power to grow your favourite fruits

Please note: This powerful Heater & Cooler uses a NEMA 6-20P plug and requires a unique 240V outlet

we suggest that you install an even number of ventilation windows on each side of the greenhouse

Sigma Automatic Ventilation Window ministar recommendation and long-lasting with a 10-yearPlease 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