Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA830R Stainless steel temperature probe for MW102. Price on request MI59P EC/TDS/Temp probe for EC59 and EC60 Price on request HI73127 pH elektroda HI73127 pro pHep testery Price on request