Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI58P pH/ORP/Temp probe for pH58 Price on request 18901146 D201T-H Plastic pH probe 51,74 € 6210129 CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Price on request