An extra solar-powered fan can be added as an upgrade to any Growing Dome® greenhouse kit. The kit includes the 12″ fan(12 volt DC), thermostat, shutter, univent piston, 40 Watt solar panel, exterior hood, wiring, and hardware. The maximum airflow rating is 1600 CFM (Cubic Feet per Minute).
The 26′ Growing Dome is the only kit that comes with one Solar Cooling Fan standard.
Add one or a few to your Growing Dome to provide additional cooling, airflow, and ventilation.