TrolMaster 4RS-1 Expander Station 4 California LightWorks PPH-1 Reservoir pH Sensor is

PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System

The Mondi Mini Greenhouse Thermo-Hygrometer mounts to the side of your mini greenhouse and reads temperature and humidity inside the dome

It holds steady flow across a coco

Accommodates all popular brand trays and reservoirs

TrolMaster 4RS-1 Expander Station 4 California LightWorks PPH-1 Reservoir pH Sensor is4 outlet expander station with trigger cable for multiple devices control. Features: Individual Power Relay (25A for each outlet) 3 second Intervals as Time Delay for Reducing Start Up Surges Package Contents: 1 x Expender Station 4 Specifications: Main Power Voltage: 240V Receptacle Quantity: 4 Max Relay Amperage: 25A Operating Temperature: 41 140 F Operating Humidity: 0 99% Noncondensing Package Dimensions: 10. 8"x 10"x 3. 75"