Autosampler Vials, Inserts, and Closures Chromatography Autosampler Vial Caps Only 20mm Crimp Seal, Silver, Aluminum Cap, 10mm Center Hole, Assembled Septum 20mm Crimp Seal, Silver, Aluminum Cap, 10mm Center Hole, Assembled Septum Catalog number: 20030059 Technical Support Customer Service Product Overview Showing 3 of 3 Save to list 20mm