Sigma 3 x 1.4 ft. Automatic Roof Vent brand_ecogrow oversized shaft bearings

oversized shaft bearings

Take advantage of more planting area and garden appeal while saving yourself yard space with this Cedar Three-Tiered Stair Step Garden Bed

Folds flat for storage and opens up to be used as a trellis

It is pathogen-free

This keeps soil warmer in the spring and fall

Sigma 3 x 1.4 ft. Automatic Roof Vent brand_ecogrow oversized shaft bearingsSupercharge your Sigma Greenhouse with the 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 shriveling or withering of your plants. Sigma Automatic Roof Vent Features: Made from galvanized steel and