Thermo Scientific™ I-Chem™ and EP™ Amber VOA Glass Vials with 0.125in. Septa, 40mL, certified, 40mL Vial amber 0.125 in. bonded septum certified. Fill vials without air entrapment effortlessly with these VOA vials, optimized with the perfect shoulder angle and offered in a wide range of sizes and styles.