Clear - Alberts Filter HPLC Vial, Autosampler Vial, 2ml Vial. Autosampler Vial, 2ml HPLC Vial, Amber Lab Vial, Sample Vial with Writing Area, 9-425 Screw-Thread Vial, Blue Screw Cap with Hole, White PTFE & Red Silicone Septa 100 Pack by Alberts Filter These quality autosampler vials and caps provide consistent results for your standard and high-throughput pharmaceutical, and food and beverage applications.