CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Back Catalog number: 2814-3ROLL Availability: In the manufacturer's stock Price on request - + Recommended 18901149 DDO01-2M-H Polarographic DO probe 119,00 € 18901164 DF01 Flexible electrode holder 43,78 € HI1043B Refillable Double Junction pH Electrode Price on request