NALGENE® 2006 Narrow-Mouth Bottles, polypropylene; polypropylene screw closure

Ideal for lab applications requiring excellent chemical resistance and autoclaving of containers with or without contents. Standard serum stoppers can also be used on 30- and 60-mL sizes.
NOTE: Before autoclaving, just set cap or closure on top of the container without engaging the threads. Autoclavable/Leakproof.