Sigma Urban (Gen II) Hydroponic Kits The shutter is constructed with

The shutter is constructed with a heavy-duty extruded aluminum frame

and when power is removed

For those seeking a fully hands-free system

Supercharge your Sigma Greenhouse with the Planta Sigma Automatic Roof Vent

this fan is designed for consistent performance with no maintenance required

Sigma Urban (Gen II) Hydroponic Kits The shutter is constructed withThe Planta Sigma Urban was created for spirited gardeners working with compact urban and suburban spaces. This greenhouse is ideal for 3 or 4 season gardening, so you can harvest homegrown fruits and vegetables throughout the year. Our Sigma collection focuses on sturdy construction and spacious design, bringing heavy duty greenhouse engineering right to your backyard. Exact size: 118. 1 x 83. 9 x 158. 29 inches The tough galvanized pipe frame is rust