JBL Proflora CO2 PH Sensor Set (Sensor + CAL)

> Content: pH electrode, 2 m cable, 2 suction cups for fixing, 3 cuvettes, 50 ml bottles storage fluid, distilled water, calibration fluids pH 7.0 and 4.0
> Robust quality electrode for the JBL CO2 control and other pH measuring and control devices with