Sigma Automatic Roof Vent

Sigma Automatic Roof Vent

Rated 4.0 out of 5 stars
2 Reviews

Approx Size: 3′ × 1.4′

The Sigma automatic ventilation window is a perfect complement to your Sigma Greenhouse. Provides heat-activated ventilation and improves air circulation inside your Sigma Greenhouse. It is easy to install. 

  • Galvanized Steel Structure
  • Rust-Resistant
  • 3′ × 1.4′
Backorder now - will be available April 2023.
Regular price $115 CAD
Regular price CAD Sale Sale price $115 CAD
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