Fisherbrand™ 11mm Crimp Cap Vial Kit, Clear Glass, Aluminium Cap, Nat Rubber/PTFE septum, pre-crimped Includes 100 vials and 100 caps with pre-assembled septa. 20 Fisherbrand™ 9mm PP Short Thread Seal, Blue, Center Hole, Assembled Septum Polypropylene caps are chemically inert and suitable for most chromatography applications.