Redox Epoxy electrode MA923B/3 Back Catalog number: MA923B/3 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA923D/1 pH/ORP/Temp amplified probe MA923D/1 Price on request MI56P pH/Temp probe for pH55 and pH56 Price on request MC510 ORP controller MC510 Price on request