Extension for Sungrow New This 40" x 40" model Because this model is C10112T2.48 ministar recommendation Color:Diffused

This 40" x 40" model is constructed from heavy-duty extruded aluminum with reinforced welded corners

This allows the shutter to open and close automatically based on your specific temperature set points

To ensure the unit continues to operate at peak efficiency

1 × Greenhouse Power Shutter No Cord Automatic 30" × 30"

Two strategically located doors facilitate effortless access and ensure optimal airflow

Extension for Sungrow New This 40" x 40" model Because this model is C10112T2.48 ministar recommendation Color:Diffused This 40" x 40" model is constructed from heavy duty extruded aluminum with reinforced welded corners This allows the shutter to open and close automatically based on your specific temperature set points