These transparent polypropylene (PP) tubes allow unobstructed viewing of the sample. The vials are shatter-proof and may be exposed to freezing temperatures. They feature clearly printed graduations and white writing surfaces.
- Tubes are manufacturered from virgin polypropylene.
- Screw caps are polyethylene (PE)
- 2-1/4 turn thread design for super fast opening and closing
- Tubes are self-standing with conical bottom (5mL) or round bottom (10mL)
- Printed graduations
- White writing surface