Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901351 DDJS-0.1-GC Cond prob 122,19 € MA915B/2 pH glass electrode for with 2meter cable. Price on request 18901147 DORP301 Plastic ORP probe 65,27 €