volume 1.2 mL, MRQ30 Vial, clear glass vial, natural PTFE/silicone septa (with slit), thread for 9 mm, pkg of 100 ea: 29661-U: Certified Vial Kit, Low Adsorption (LA) QsertVial ™ volume 0.3 mL, QsertVial, clear glass vial, natural PTFE/silicone septa, thread for 9 mm: 29662-U: Certified Vial Kit, Low Adsorption (LA) QsertVial ™ volume 0.3