Vivosun - GrowHub E42A Controller, Smart Environmental WiFi-Controller with Temperature, Humidity, Timer, Cycle, Schedule Controls, for Grow Tent Cooling Ventilation Lighting Propagation Light Each silencer is designed to

Each silencer is designed to maintain high airflow efficiency

Uses environmentally friendly R290 refrigerant

Fits any mason jar-- standard and wide mouth

containing all the essential elements for optimal flowering

formerly known as Bud Meister Organic from Grow Australia

Vivosun - GrowHub E42A Controller, Smart Environmental WiFi-Controller with Temperature, Humidity, Timer, Cycle, Schedule Controls, for Grow Tent Cooling Ventilation Lighting Propagation Light Each silencer is designed toAbout this item The GrowHub Controller is the all in one platform for controlling, monitoring, and improving your indoor grow. Bring all your smart devices together onto a single controller that does it all: change airflow, air circulation, light intensity, light spectrum, and on off periods with the touch of a button. Unify Your Equipment: Unify all your smart devices through the GrowHub platform and simplify the science of growing down to a