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 18901185 Cable Extension cable 4,47 € 18901184 DREF03 Reference electrode 41,44 € 18901203 PH10.01 500mL 10.01pH, one bottle 20,31 €