Vial, Cap, Syringe Filter manufacturer / supplier in China, offering Labfil 47mm 0.22um RC Filter Membrane 0.45um, Alwsci 10ml ND18 Clear/Amber Screw Headspace Gc Glass Vial for Chromatography Analysis, Labfil 13mm PTFE Hydrophilic HPLC Syringe Filter 0.45um Pre-Filter Welded Type and so on.