50mm/100mm universal 4-position cell holder Back Catalog number: 10103 Availability: In the manufacturer's stock Price on request - + Recommended MA872 Digital refractometer MA872 Price on request UV-6000T UV-VIS Spectrophotometer, Single Beam, kinetics, m Price on request E4100-E SmartBlue™ Mini Transilluminator, 230V Price on request