- AANIJ Transparent polypropylene cap for test tube prove to be an excellent protection to the contents to the tubes.
- The grooves inside the cap tighten the fitting of the tube while the outer grooves would hold identification labels.
- The built in a seal ring would set in the tubes making the combination a flameproof one.
- For 25 mm glass and plastic test tube.
- Package quantity 100 pcs. also Reusable