Rich products line including Chromatography Vial, Storage Vial (from 2ML-500ML), Caps, Septa and Syringe filter, Tools (Vial rack, Crimper) etc,which approved by SGS, CNS. C0001470. Red 9-425 Open Top Smooth Screw Cap with 9mm White PTFE/Red Silicone 1mm thick. 100pcs/pk. Closures for 2mL hplc Vial