Sigma Extension Hydroponics it delivers commercial-grade performance in

it delivers commercial-grade performance in a design that remains practical and accessible for home gardeners

Please note: this window only fits the Sungrow Greenhouse models

In addition

Two convenient sizes: Choose the 4 ft × 50 ft roll (ideal for smaller beds or individual paths) or the 4 ft × 100 ft roll for larger projects

reducing soil moisture loss and keeping your plants healthy and happy

Sigma Extension Hydroponics it delivers commercial-grade performance inLength 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