Apera GroStar GS4-E Replacement pH/EC Combo Electrode DH5872 Mounts to both walls and

Mounts to both walls and grow tents

This is important

The DEH 3000R has high temperature cut-out

Optional Remote Monitors - DH18082 (Model 8082) Temperature/Humidity Sensor Module

Apera GroStar GS4-E Replacement pH/EC Combo Electrode DH5872 Mounts to both walls andAI58040 GroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance double junction structure uses blue gel electrolyte without the air bubble 1 year warranty