Test tube holder Back Catalog number: 10501 Availability: In the manufacturer's stock Price on request - + Recommended MI413-R Free & total HR chlorine meter Mi413-R Price on request NS1020-T 0.5mL Fluorescence Detection Tubes, pack of 250 1 632,00 Kč E2100-E myVolt™ Mini power supply, 230V 6 912,00 Kč