Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MC720 MC720 Controller kit Price on request MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request HI73127 pH elektroda HI73127 pro pHep testery Price on request