"WardsSci000808"

Conical bottom, polypropylene centrifuge tubes are supplied with cap.

Pre-cleaned borosilicate glass test tubes without rims.

Super-clear polypropylene tubes in superior packaging.

This polypropylene tubes include blue HDPE leak-proof screw caps. The tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a pressure of >700 mm Hg.