1.8ml HPLC sample vials on stock-HPLC Sample Vials Aijiren 2ml 9mm HPLC Vial, Clear Autosampler Vial, 1.8ml BorosiliGlass Sample Vial with Graduation, 9-425 Type Screw Threaded Vial, Blue Screw Cap with Hole, White PTFE&Red Silicone Septa, 100 of Pack: Amazon.com: Industrial & Scientific