Labfil 13mm PTFE Hydrophilic HPLC Syringe Filter 0.22um Pre- Filter Welded Type 1,000 Pieces (MOQ) More Vial, Cap, Syringe Filter, Membrane Filter, PTFE Septa, Butyl Septa, Gc Septa Audited Supplier Zhejiang Aijiren Technologies Co., Ltd. Manufacturer/Factory Zhejiang, China Since 2020 Chat Now Send Inquiry