Sep 27, 2021 · Aijiren Tech™ I-Chem™ and EP™ Amber VOA Glass Vials with 0.25in. Septa, 40mL, certified, 40mL Vial amber 0.25 in. bonded septum certified. Filling vials without air entrapment is effortless due to the perfect shoulder angle of these VOA vials which are offered in a wide range of