Sigma Roof Vent Accesories two manual windows (one above

two manual windows (one above each door)

your plants will be healthier and grow faster without needing to spend any more time

A Powerful Growing Tower for Home Gardeners

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

Drainage - place a layer of 1-3cm Expanded Clay Pebbles on the bottom of a pot or planter (depending on container size) and then add the most appropriate substrate for each type of plant

Sigma Roof Vent Accesories two manual windows (one abovePlease 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