pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended HI1043B Refillable Double Junction pH Electrode Price on request 18901209 84μS/cm 250mL Conductivity Solution, one bottle 500,00 Kč 18901199 PH4.00 500mL 4.00pH, one bottle 500,00 Kč