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 MA923D/1 pH/ORP/Temp amplified probe MA923D/1 Price on request 18901165 pH buffer solution 13,53 € 18901185 Cable Extension cable 4,38 €