Matched pair, stoppered with PTFE stopper supplied, base thickness 12mm, self-masking black walls, Compatible with Agilent Cary 50/60, Cary 100/300 and Cary 4000/5000/6000i/7000 UV-Vis spectrophotometers. This product is only available to U.S. Domestic Customers. For research use only, not to be...