Caps (PE) for 5mm NMR-Tubes, green, 100 pcs Back Catalog number: 1189 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1231 5mm NMR Wilmad Economy NMR Tube, 7'', 400MHz,5pcs Price on request 1188 Caps (PE) for 5mm NMR-Tubes, blue, 100 pcs Price on request 1233 5mm NMR Wilmad Economy NMR Tube, 7'', 500MHz,5pcs Price on request