Expander Station 4（4RS-1） electrode B1™ and B2™ can be

B1™ and B2™ can be used as a base along with other additives

This modern looking meter is only 0

When the device module is activated by the Hydro-x

In your grow room

Unit weight: 31 lbs

Expander Station 4（4RS-1） electrode B1™ and B2™ can beThe 4RS 1 is a universal 4 outlet power expansion module. It can be used with any of TrolMasters plug in style device modules to expand the number of devices that can be controlled by the Hydro x. A single 120 240 volt trigger cable on the 4RS 1 connects to your device control module. When the device module is activated by the Hydro x, the 4RS 1 trigger cable will turn on each of the 4 receptacles on the 4RS 1 with a 3 second time delay between each