Sterile Test Tubes with Two-Position Caps

Caplugs® Evergreen Sterile Test Tubes with Two-Position Caps are ideal for variety of chemical and biological experiments, sample storage, sample preparation and cell culturing for the larger or smaller samples collected in the lab. This laboratory essential is ideal for those applications and more, with our labware line having the variety necessary to fit any laboratory’s requirements. These tubes' overfitting caps have inner ribs for two-position fits, loose fit for aerobic culturing and tight fit for anaerobic culturing and sealing.

• FDA Registered Medical Device
• Gamma irradiated sterilization
• Polystyrene Tubes:
  • Withstand up to 8,200 x g
  • Provide better tube clarity
  • Appropriate for use with mild acidic (except oxidizing acids) or alkali solutions, alcohols (except higher alcohols) and salt
• Polypropylene Tubes:
  • Withstand up to 10,000 x g
  • Provide more chemical resistance
  • Appropriate for use with organic solvents and stronger acids (except oxidizing acids), alkalis, alcohols, chlorinated and aromatic hydrocarbons (except xylene) and ketones