50mm/100mm universal 4-position cell holder Back Catalog number: 10103 Availability: In the manufacturer's stock Price on request - + Recommended MS1000-E SmartSeal™ Semi-Automated Microplate Sealer, 230V Price on request UV-9000* UV-VIS Spectrophotometer, Double Beam, kinetics, m Price on request MR9600-T-E SmartReader™ 96Microplate Absorbance Reader, with Price on request