pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended 18901201 PH9.18 500mL 9.18pH, one bottle 500,00 Kč 18901157 D201G Refillable combination pH probe 600,00 Kč 52005384 pH Sensor InPro4800i/SG/225 Price on request