DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 49,13 € 40,60 € - + Recommended MI57P ORP/Temp probe for ORP57 Price on request 18901172 D201A-C Combination pH probe 17,91 € 51343101 pH electrode InLab Expert Pro Price on request