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 MC510 ORP controller MC510 Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request HI1230B Kombinovaná pH elektroda s pl.tělem a gel. elektr. Price on request