Test tube holder Back Catalog number: 10501 Availability: In the manufacturer's stock Price on request - + Recommended MR9600-510 Filter for Accuris Microplate Reader, 510 nm Price on request UV-9000A* UV-VIS Spectrophotometer, Double Beam, kinetics, m Price on request NS1020-E SmartDrop™ XF Nano Spectrophotometer, 230V Price on request