• Manufactured from optically clear polystyrene • Threaded plug seal caps to prevent leakage • TC treated tubes are supplied racked, non treated tubes are supplied bulk packed • Sterile
• In polypropylene or PET • Polyethylene cap • Conical bottom • Black printed graduations • Sterile • DNase/RNase-free • Nonpyrogenic • 2 versions: • Plug seal: the original • CentriStar: tight and easy to open cap