Latest Update of HPLC Sample Vials Best Seller in Lab Autosampler Vials – Amazon.com 2ml HPLC Vial, 9-425 Autosampler Vial with Writing Area and 9mm Blue Screw Cap with PTFE&Silicone, 6mm Clear Sample Vial, 2ml Clear vial, 9-425 screw top, graduated with writing Description: Sample Vial, 2ml Clear vial, 9-425 screw top, graduated with writing