Combined Epoxy pH electrode MA913B/3 Back Catalog number: MA913B/3 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request