Certified Vial Kit, Low Adsorption (LA) QsertVial™ volume 0.3 mL, QsertVial, clear glass vial, natural PTFE/silicone septa (with slit), thread for 9 mm; find Supelco-29662-U MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.