Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI58P pH/ORP/Temp probe for pH58 Price on request PC-1000-654 Dosing Tip where the tip is immersed in the sample Price on request 52005382 pH Sensor InPro4260i/SG/225 Price on request