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 18901151 DODO01-3M Optical DO probe 725,98 € 18901165 pH buffer solution 13,81 € 18901164 DF01 Flexible electrode holder 44,69 €