DREF02 Reference electrode Back Catalog number: 18901183 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 49,13 € 40,60 € - + Recommended 18901193 PH6.86 250mL 6.86pH, one bottle 12,74 € 18901351 DDJS-0.1-GC Cond prob 122,19 € MI56P pH/Temp probe for pH55 and pH56 Price on request