Two-Position Snap Caps

Caplugs® Evergreen Two-Position Snap Caps are overfitting caps for use with culture tubes. Our caps are designed to fit specific tube diameters and tube materials with a ribbed design for easier removal from the capped tubes.

• Position 1: Loose for aerobic culturing
• Position 2: Tight for anaerobic culturing and leak resistant sealing
• Compatible with 12 mm or 17 mm culture tubes
• Available in Non-Sterile or Gamma Irradiated Sterile