Certified 2ml 9mm screw thread vials aijiren Preassembled R.A.M™ Screw Thread Closure and Septa, 9mm Preassembled Screw Thread Closure and Septa, 9mm R.A.M.™ Smooth Royal Blue Cap, PTFE/Silicone with Cross Slit, 1000/CS SKU : 5395XF-09RB $252.60 Preassembled Screw Thread Closure and Septa, 9mm R.A.M.™ Smooth Black Cap, PTFE/Silicone/PTFE