Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA916B/3 Combined glass pH electrode, refill, BNC, 3m Price on request MA924B/1 Glass ORP electrode MA924B/1 Price on request MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request