Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended SE300 Double junction orp platinum electrode SE300 Price on request MA9305 Pack of 100 x 1.4V batteries. Price on request 5190-3988 P3211 pH comb electrode w/fill solution 204,19 €