Seal-Rite® tubes have a dependable seal and can be easily opened and closed. The tubes stay closed during boiling, freezing, centrifugation, and exposure to phenol/chloroform mixtures. The tube thickness is optimized for optical clarity and strength. Manufactured from 100% virgin polypropylene and certified free of detectable RNase, DNase, DNA and pyrogens.

• RNase, DNase, DNA and pyrogen free
• Thumb-friendly beveled lip
• Graduations every 100 µl
• Optically clear
• Frosted side writing surface
• Flat cap accepts lab markers
• G-force rating up to 25,000 x g