Sigma Roof Vent Accesories This unique system is designed

This unique system is designed for gardeners of all levels or anyone who wants to grow their own food and bring a slice of nature into their home

This product comes strictly as the extension for the Planta Sungrow and Planta Urban models

Engineered for adaptability

integrating arched girders connected by purlins and sturdy end structures

Sigma Roof Vent Accesories This unique system is designedPlease note: this window only fits Sigma Greenhouse models. The Planta Sigma Ventilation Window is a fantastic add on for your Sigma Greenhouse. It will efficiently increase air circulation, maintaining a comfortable temperature, which is essential for healthy plant growth and disease control. The number of suggested windows is determined by the size of the greenhouse, the environment and growing zone in which you live, and the plants you would like