volume 2 mL, clear glass vial, thread for 10-425, black polypropylene cap, PTFE/rubber septa, pkg of × 100 ea: Pricing: 29118-U: volume 2 mL, clear glass vial, thread for 10-425, black polypropylene cap, PTFE/silicone septa, pkg of × 100 ea: Pricing: 29120-U