Redox Epoxy electrode MA923B/3 Back Catalog number: MA923B/3 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901200 PH6.86 500mL 6.86pH, one bottle 19,90 € 18901209 84μS/cm 250mL Conductivity Solution, one bottle 19,90 € 18901201 PH9.18 500mL 9.18pH, one bottle 19,90 €