DREF01 Reference electrode Back Catalog number: 18901182 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 24,59 € 20,32 € - + Recommended 18901203 PH10.01 500mL 10.01pH, one bottle 20,32 € MA840 Polarographic DO probe with 3m cable Price on request HI1143B pH elektroda na fluoridové lázně,Hanna Instruments Price on request