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Screw Cap with Molded O-Ring

Caps with integrated TPE seals, for self-standing screw-cap microcentrifuge tubes. 500 caps per pack.
Caps only. ​500/pack.
  • Caps feature integrated TPE seals that will never slip out of place
  • Polypropylene screw caps have silicone O-rings that maintain their integrity in vapor phase liquid nitrogen.
  • Suitable for boiling, vapor-phase liquid nitrogen, or -80°C storage
  • Caps available in natural, mixed colors, or 7 individual colors