Test tube holder Back Catalog number: 10501 Availability: In the manufacturer's stock Price on request - + Recommended NS1000-C Additional Standard-Size Cuvettes, pack of 2 Price on request V-5800PC* VIS Spectrophotometer, Single Beam, kinetics, mult Price on request MS1000-F1 Foil seals, peelable for PP plates, 100/pk Price on request