Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI73127 pH elektroda HI73127 pro pHep testery Price on request MA840 Polarographic DO probe with 3m cable Price on request MA915B/2 pH glass electrode for with 2meter cable. Price on request