Globe Scientific Polyethylene Flanged Plug Cap for 16mm Test Tubes in Various Colors

Plug Stoppers - For 11mm Tubes

Snap Caps for Flared Top Urine Tubes

Snap Caps with Two Thumb Tabs - For 13mm Tubes, Vacuum and Test Tubes

Globe Scientific13mm Clear Polyethylene Snap Cap for Vacuum or Test Tubes with Two Thumb Tabs

Snap cap, Translucent gray, PE, for 12/13mm vacuum and Test tubes

Snap Cap, Translucent Gray, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes