These 0.6 ml and 1.5 ml graduated rugged tubes are made of laboratory grade polypropylene suitable to withstand the stress of high speed centrifugation up to 20,000g. The one-piece construction incorporates a snug fitting and reliable attached cap even with prolonged boiling. The bottom is reinforced for added protection against leakage. Maximum clarity for visual sample inspection. A frosted writing surface on closure and side of tube allows for easy and convenient sample identification. Highly polished interior ensures low liquid retention. Available in 4 colors. Packaged in tamperproof resealable safety-lock bags.

Product Features:

• Extra clarity for better visual inspection
• Boil-proof design
• Ultra rugged walls made for high speed centrifugation
• Unique ClickLok™ sealing mechanism
• Made of highest purity polypropylene