Sigma Automatic Roof Vent 16mm Actual Dimensions: 42" x 42"

Actual Dimensions: 42" x 42" inlet size

you can trust the Palma to deliver just the right climate

including greenhouse

for Planta Urban and Planta Sungrow models

fill the reservoir with water and fertilizer – and that’s it

Sigma Automatic Roof Vent 16mm Actual Dimensions: 42" x 42"Please note: this window only fits Sigma Greenhouse models. Supercharge your Sigma Greenhouse with the Planta Sigma Automatic Roof Vent. Improve air circulation by bringing in the fresh outside breeze, keeping your plants healthy and disease free. The automatic roof vent is heat activated, which requires no electrical power or programming. This function ensures that hot air escapes during the day, preventing shrivelling or withering of your plants.