Vial crimp seal with Red Rubber/PTFE Septum, seal diam. 11 mm, red aluminum seal, PTFE/red rubber septum, hardness 38 (Durometer: shore A), pkg of 100 ea. View Pricing. SU860107. Vial Rack for SPME, Acrylic Vial Rack for SPME Vial, L × W × H 160 mm × 160 mm × 30 mm, 25 cavities, cavity diam. 24 mm. View Pricing.