The tubes are self-standing and feature a conical bottom with a skirt. 30mL screw cap tubes are available in transparent polystyrene or opaque polypropylene.
- Natural polypropylene in color
- Polypropylene container comes with polyethylene cap
- Not graduated
- Not sterile
- Spin Rate: 5000 RPM
- Dimensions: 25mm Dia. x 90mm Hgt.
- Sold in full cases only