Sigma Automatic Roof Vent Planta Farmer Recommendation It can be equipped with

It can be equipped with a tambour

4 cm by 42

as a general rule of thumb

25mm 5 Wall Polycarbonate Panels

allowing your garden to flourish year-round

Sigma Automatic Roof Vent Planta Farmer Recommendation It can be equipped withPlease 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.