Sigma 20 (Gen III) Polycarbonate The high-efficiency aluminum shutters are

The high-efficiency aluminum shutters are designed with fortifying ribs for added strength and include an integrated tie bar to reduce shutter flapping and prevent accidental opening on windy days

Price per sheet: $90

Built to withstand the elements

this ventilation package combines essential airflow and temperature-management components into one convenient bundle

• Flexible feed tube (4 inches)

Sigma 20 (Gen III) Polycarbonate The high-efficiency aluminum shutters areThe Planta Sigma 20 (Gen III) is an urban gardener's dream come true. The quality heat capturing materials allow for 3 or 4 season gardening, meaning you'll be able to harvest delicious fruits and vegetables beyond the outdoor growing season. Additionally, the rounded design is incredibly spacious, giving you the room to make the most out of your backyard garden. Exact size: 118. 1 x 83. 9 x 237 inches Feel confident knowing that the rust resistant