Sigma Extension Exhaust Shutter featuring a rounded design and

featuring a rounded design and creative construction that brings heavy-duty greenhouse engineering into your own backyard

Warranty: Protected by a 1-year warranty on the shutter motor

The direct-drive motor is backed by a 2-year warranty

this thermostat can be wired for either heating or cooling applications

keeping your hard work safe and out of harm's way

Sigma Extension Exhaust Shutter featuring a rounded design andLength Extension of 6. 5 ft. for Planta Urban and Planta Sigma models. This product comes strictly as the extension for the Planta Sigma and Planta Urban models. Splitter doors and manual windows are not included BASELINE MODEL