Printed Graduations (with marking area) New clearer polypropylene copolymer High centrifugal strength - up to 15,000 RCF Flat markable cap with seal Phenol / Chloroform resistant DNase, RNase and pyrogen free

Boil-proof cap Withstand 28,000 x g Easy to open, easy to close Double, high pressure locking ring RNase, DNase and pyrogen free Unsurpassed clarity Frosted writing surface and graduations Ultra smooth interior-low liquid retention Made from highest quality, virgin, single…