Sigma Small Urban (Gen III) Sungrow Window Stability Control: Includes a tie

Stability Control: Includes a tie bar to stabilize the louvers and reduce flapping or noise during operation

Manufactured from high-quality rust-proof steel

while the interlocking louver design creates a tight weather seal to protect the greenhouse interior when the ventilation system is inactive

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

Efficiency 9

Sigma Small Urban (Gen III) Sungrow Window Stability Control: Includes a tieThe Planta Sigma Small Urban (Gen III) 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: 78. 7 x 94. 5 x 158. 3 inches The tough galvanized pipe