Zhejiang Aijiren Technologies Co.,Ltd - Autosampler Vial, Hplc Vial, PTFE Silicone Septa. Ultra Clean EPA VOA Vials 40mL 27.5x95mm Clear Glass EPA/TOC Vial 24-400 White Open Top PP Screw Cap with 22mm Natural PTFE/White Silicone 3.0mm thick Septa (EPA Quality). 100pcs/pk. Zhejiang Aijiren Technologies Co.,Ltd is one of the leading. Get Price.