silicone / clear PTFE 009-18-6288 9mm 2ml MS Certified, 12 x 32m, write-on patch, screw Amber 9mm grey cap, LC Clean clear silicone / clear PTFE pre - slit 009-18-6287 9mm Screw cap MS certified LC clean Cap Vial Type Glass Descriptiom PartNumber 11mm 2ml Wide opening top, write-on patch, crimp Clear 11mm silver red rubber/clear ptfe 011-18-6286