Combination pH electrode MA905B/3 Back Catalog number: MA905B/3 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901214 12.85mS/cm 500mL Conductivity Solution, one bottle 37,41 € 18901145 DBX-01 Carrying case 25,87 € 18901208 12.85mS/cm 250mL Conductivity Solution, one bottle 19,90 €