100 Pcs Membrane Solutions 2ml HPLC Sample Vials, Autosampler Vials, 9-425 Amber Vials with Write-on Spot, Graduations, 9mm Blue ABS Screw Caps & Septa for GC Sample vials B075K5YNK8 $66.07 $35.49 Color: Amber Vial & Pre-slit Blue PTFE septa Features: LOW EXPANSION COEFFICIENT - 9mm Screw Thread Autosampler Vials are made of clear Type 1, Class.