Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request SE220 Double junction pH electrode SE220 Price on request PC-1000-654 Dosing Tip where the tip is immersed in the sample Price on request