Sada pufrů pH 4,01; pH 7,01; pH 10,01 Back Catalog number: HI54710 Manufacturer: Hanna Instruments Czech Availability: In the manufacturer's stock Price on request - + Recommended 18901157 D201G Refillable combination pH probe 600,00 Kč 18901201 PH9.18 500mL 9.18pH, one bottle 500,00 Kč 18901172 D201A-C Combination pH probe 450,00 Kč