Sigma 32 (Gen III) Sungrow high-tension springs return the louvers

high-tension springs return the louvers to a tight

featuring a frame with corners that are both precision-milled and welded for superior structural strength

Quiet and dependable operation is guaranteed by the use of solid shafts and nylon bearings

As this model is not pre-wired with a cord

Manual or heat-activated ventilation windows for optimal air circulation

Sigma 32 (Gen III) Sungrow high-tension springs return the louversTake backyard farming to the next level with the Planta Sigma 32 (Gen III). This greenhouse was designed with heavy duty materials that promote 3 or 4 seasons of growing, allowing for multiple harvests every year. In addition, the innovative engineering and tough construction we use means you can harness the power of a commercial greenhouse in an attractive backyard design. Exact size: 118. 1 x 83. 9 x 394. 5 inches The end to end airflow, spacious