Vial, Cap, Syringe Filter manufacturer / supplier in China, offering Labfil Welded 25mm 0.22/0.45 Um Regenerated Cellulose Syringe Filter, Alwsci C18 Solid Phase Extraction Spe Cartridges 3ml 500mg, Alwsci 6ml 500mg Silica Spe Cartridge 3ml and so on.