GroStar - Apera GroStar GS4-E replacement pH/EC combo electrode

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AI58040 - 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 Show more