Caps (PE) for 5mm NMR-Tubes, red, 100 pcs Back Catalog number: 1192 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1191 Caps (PE) for 5mm NMR-Tubes, purple, 100 pcs Price on request 1227 5mm NMR Wilmad NMR Tube,7'', High-Throughp, 100pcs Price on request 1196 Caps (PE) for 5mm NMR-Tubes, sky, 100 pcs Price on request