Sigma Gen III Medium Extension Everest Please note – this product

Please note – this product is only compatible with Sungrow 2019 Greenhouse models

The durable galvanized steel frame is designed for long-term performance and resistance to rust and corrosion

Supercharge your Sigma Greenhouse with the Planta Sigma Automatic Ventilation Window

two manual windows (one above each door)

Size: 3 ft wide by 1

Sigma Gen III Medium Extension Everest Please note – this productLength Extension of 6. 5 ft. for Planta Planta Sigma (Gen III) Medium models. This product comes strictly as the extension for the Planta Sigma and Planta Urban models. Splitter doors and manual windows are not included BASELINE MODEL