DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,24 € 41,52 € - + Recommended 18901204 PH1.68 500mL 1.68pH, one bottle 35,01 € 18901215 84μS/cm 500mL Conductivity Solution, one bottle 38,27 € 51343101 pH electrode InLab Expert Pro Price on request