DREF02 Reference electrode Back Catalog number: 18901183 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,14 € 41,44 € - + Recommended MA9305 Pack of 100 x 1.4V batteries. Price on request 2814-3ROLL CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Price on request SE300 Double junction orp platinum electrode SE300 Price on request