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Conical Screw Cap Tubes, Amber

Screw Cap Microcentrifuge Tubes, Conical Base, Amber

Light-blocking, conical base screw cap microcentrifuge tubes are graduated and have a writing surface. 500 tubes and caps per pack.
$78.40
  • Amber caps seal with just 1.25 turns
  • Saf-T-Seal™ tubes withstand centrifugation up to 20,000 × g
  • Suitable for boiling, vapor-phase liquid nitrogen, or -80°C storage

Deep external threads protect against sample loss and seal failure. An interior U channel in the cap keeps the ethylene propylene rubber (EPR) O-ring in place as the cap is tightened. Non-sterile tubes are certified free of detectable RNase, DNase, and DNA. Autoclavable polypropylene.