Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended PC-1000-654 Dosing Tip where the tip is immersed in the sample Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request 52005382 pH Sensor InPro4260i/SG/225 Price on request