Aijiren HPLC LC 8-425 Screw Thread Vial Caps, 8 mm, PTFE/Silicone Septa, Black, Polypropylene, 100 pcs/pk $15.99 Alberts Filter HPLC Vial, Autosampler Vial, 2ml Vial, Lab Vial with Writing Area, 8-425 Screw-Thread Vial, Black Screw Cap with Hole, Red PTFE & White Silicone Septa 100 Pack - Clear