Buy 5 Get 1 FREE. To take advantage of the Buy/Get special, add 6 or more to your cart. The discount will be applied automatically in your cart. Valid through May 31, 2019 at national sale price only. Not valid in combination with other Seal-Rite offers, quotes, or institutional pricing. See our Terms and Conditions for additional information.

Seal-Rite® tubes protect your samples with a dependable precision sealing system that prevents evaporation, leakage, and accidental opening. The tubes are easy to open by hand but will stay closed during boiling, freezing, centrifugation, and exposure to phenol/chloroform mixtures. The tube thickness is optimized for optical clarity and strength.

Seal-Rite® tubes are pure 100% virgin polypropylene. No processing additives such as slip agents, biocides, or antistatic agents are used during production. Your samples remain protected from potential bioactive contaminants. Certified free of detectable RNase, DNase, DNA and pyrogens.

• RNase, DNase, DNA and pyrogen free
• Thumb-friendly beveled lip
• Graduations every 100 µl
• Frosted side writing surface
• Flat cap accepts lab markers
• Sterilized tubes have a G-force rating up to 20,000 x g
• No bioactive agents used during manufacturing
• Packed in tamper evident resealable bags