24V pinch valve for the TitraSip Back Catalog number: PC-5300-043 Availability: In the manufacturer's stock Price on request - + Recommended 18900947 PH6.86 250mL 6.86pH, one bottle 15,54 € 18900961 1408μS/cm 250mL Conductivity Solution, one bottle 25,51 € 18900963 84μS/cm 250mL Conductivity Solution, one bottle 25,51 €