pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended 18901218 3.0 mol KCl 250mL, 3.0mol KCl pH/ORP electrode so 12,74 € 18901157 D201G Refillable combination pH probe 23,88 € 18901184 DREF03 Reference electrode 40,60 €