Albert's Filter 2ml Autosampler Vials with Writing Area and Graduations, 9-425 HPLC, Screw Cap, White PTFE & Red Silicone, 100 Pcs Biomed Scientific Autosampler Vials,2mL Clear Sample Vials with Write-on Spot and Graduations,Screw top 9-425 Thread Finish,12mm ID x 32mm L(Pack of 100)