AgrowTek GC-XO Slave Expansion Controller Nutrient Accessories Flexible material routes easily along

Flexible material routes easily along ceilings

AzaGuard offers immediate impact on insect larvae while disrupting molting between developmental stages

Maximizing Spray Coverage:

Run it on low overnight to keep gentle air moving

Stainless Steel

AgrowTek GC-XO Slave Expansion Controller Nutrient Accessories Flexible material routes easily alongExpand your GrowControlTM System with a GC XO Slave Controller The GrowControlTM GC XO slave adds more outputs to existing GC Pro or GC ProXL series controllers. GC XO controllers have the same construction as GC Pro controllers, but are equipped with only outputs for turning relays on an off. Slave controllers do not have any of their own control functions, they simply turn on and off as required by the "master" controller that they are listening to.