11mm Aluminum crimp top caps with PTFE/silicone septa for 11 . 11mm Aluminum crimp top caps with PTFE/silicone septa for 11-425 crimp top vial, US $ 4 - 6 / Pack, Aluminium, Crimp, Vials, Laboratory Analysis.Source from Zhejiang aijiren Technologies Co., Ltd. on Alibaba.com. PTFE/red rubber septa clear crimp top vials for wholesales