Vial, Cap, Syringe Filter manufacturer / supplier in China, offering Alwsci 100ml Wide Mouth Amber Glass Straight Sided Soil Sampling Jar 62× 64mm., Labfil PVDF 13mm 0.22um Welded Syringe Filter with Printing, Labfil PTFE Hydrophilic 47/90mm Membrane Filters and so on.