Sigma Gen III Extension Commercial This durable greenhouse is built

This durable greenhouse is built with a 1mm thick galvanized iron frame that includes arch-shaped supports connected by purlins and reinforced by solid end structures

both necessary for healthy plant development and disease management

high-tension springs automatically return the louvers to a secure

This unit is engineered to deliver high efficiency without the noise of shutter flapping

quiet performance using nylon bushings and solid shafts

Sigma Gen III Extension Commercial This durable greenhouse is builtLength Extension of 6. 5 ft. for Planta Sigma Gen III models. This product comes strictly as an extension for the Planta Sigma and Planta Urban models. Splitter doors and manual windows are not included BASELINE MODEL