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 18901195 PH7.00 250mL 7.00pH, one bottle 320,00 Kč 18901145 DBX-01 Carrying case 650,00 Kč SE510 Conductivity/TDS probe with 1meter cable SE510 Price on request