Combination pH electrode MA905B/3 Back Catalog number: MA905B/3 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request 52005382 pH Sensor InPro4260i/SG/225 Price on request PC-5000-1177 1/4" ID Peristaltic Pump Santoprene Tubing (TPE55S Price on request