Greenhouse Master Controller Water Filtration Air | Water | CO2 The General Hydroponics® Dual Diaphragm

The General Hydroponics® Dual Diaphragm air pump is extremely quiet and the only air pump in the world manufactured exclusively for hydroponics systems

4ft outlet line

a concentrated jet

AN B-52 10L

Greenhouse Master Controller Water Filtration Air | Water | CO2 The General Hydroponics® Dual DiaphragmThe Autopilot Greenhouse Master Controller (GMC) is designed to precisely control temperature, humidity, and CO2 in the growing area. The GMC's enclosure features four separate power outlets used to connect external devices such as fans, CO2 injectors, air conditioners and dehumidifiers. Each external device easily connects to the unit creating a simple and user friendly platform. The GMC's remote combination probe features a highly accurate dual beam