DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 49,13 € 40,60 € - + Recommended 18901199 PH4.00 500mL 4.00pH, one bottle 19,90 € 18901169 DPR01-02 Printer ribbon 21,89 € 2814-3ROLL CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Price on request