Sigma Medium 26 (Gen III) Hydroponics These H-Channels are designed to

These H-Channels are designed to seamlessly join two multiwall polycarbonate sheets together

ensuring that every harvest is more fruitful than the last

The Planta Sigma Small 20 (Gen III) is an urban gardener's dream come true

Consider these optional extras to tailor the Everest 26 more closely to your agricultural requirements:

8mm twin wall high performance polycarbonate sheet offers an ideal combination of maximum light transmission

Sigma Medium 26 (Gen III) Hydroponics These H-Channels are designed toThe Sigma Medium 26 (Gen III) was designed with a focus on spaciousness and stability. This greenhouse is perfect for 3 or 4 seasons of growing, allowing you to harvest fresh fruits and vegetables well into the colder months. Our Sigma greenhouses are built to last, featuring a rounded design and creative construction that brings heavy duty greenhouse engineering into your own backyard. Exact size: 98. 4 x 89" x 315. 7 inches The end to end airflow,