pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended 18901203 PH10.01 500mL 10.01pH, one bottle 20,31 € MI56P pH/Temp probe for pH55 and pH56 Price on request 18901201 PH9.18 500mL 9.18pH, one bottle 20,31 €