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 18901192 PH4.00 250mL 4.00pH, one bottle 12,74 € 18901155 D201T 3-in-1 Plastic pH probe 51,74 € 18901145 DBX-01 Carrying case 25,87 €