2-ml Vial Septa found in: RAM Clear 2.0mL Large Opening Vial and PTFE/Silicone Septa Lined Bonded Closure Kits, Certified PTFE/Silicone Septa 2.0mL with.. 5mL x 0. 63mm outer diameter syringe 2mL clear sample vials (144) 2mL amber sample vials (100) blue