2 ml vials and caps manufacturer HPLC LC 8-425 Screw Thread Vial Caps, 8 mm, Autosampler Vials, MS Lab Supply Sample Vials 2ml with Write-on Spot and Graduations 9-425 Type Threaded Vial and 9mm Blue ABS Screw Caps & Septa, Aer, Case of 100 4.8 out of 5 stars 30 $21.99