Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA911B/2 Double junction pH electrode MA911B/2 Price on request MC720 MC720 Controller kit Price on request HI54710 Sada pufrů pH 4,01; pH 7,01; pH 10,01 Price on request