DF01 Flexible electrode holder Back Catalog number: 18900909 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 68,49 € 56,60 € - + Recommended 18900911 Standard conductivity solution 50mL, 84μS/1413μS/ 25,51 € 18900953 PH4.00 500mL 4.00pH, one bottle 25,51 € 18900950 PH10.01 250mL 10.01pH, one bottle 15,54 €