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 MA920B/1 Combined pH electrode MA920B/1 Price on request 1127-1L Chemsolute pH buffer with colour coding (20 °C), pH 7.00, green, 1L Price on request 1575-1L CHEMSOLUTE ready-to-use conductivity sol. 1413 µS/cm, 1L (THG) Price on request