Tubes feature convenient, attached snap-seal caps for leak-tight sealing. Cap is flat-topped and and needle-piercable for easy sample removal. Two write-on areas, side and top, make identification easy. Graduations allow volume estimation at a glance.

• Sterile packaging available only in 1.5 mL size.
• 1.5 mL size is available in amber material which filters out 99.8% of UV light between 290 and 400 nanometers.
• Polypropylene tubes can be autoclaved up to 121 degrees C.
• Polyethylene tubes can be easily cut for pellet removal.