Accucore C18 10x2.1mm2.6um Defender guards pk4 Accucore C18 10x2.1mm 2.6µm 保护柱， 4个/包

17mm HPLC Syringe Filter, Glass Fibre Prefilter/PVDF, pore size 0.45μm, injection moulded ring red + print of the membrane type 100/box 17mm 针筒过滤器, 玻璃纤维/PVDF, 孔径0.45μm, 红色套环，100只

17mm HPLC Syringe Filter, Glass Fibre Prefilter/PVDF, pore size 0.2μm, injection moulded ring black + print of the membrane type 100/box 17mm 针筒过滤器, 玻璃纤维/PVDF, 孔径0.2μm, 黑色套环，100只

17mm HPLC Syringe Filter, Nylon (PA), pore size 0.2μm, injection moulded ring purple + print of the membrane type 100/box 17mm 针筒过滤器, 尼龙(PA), 孔径0.2μm,紫色套环，100只

17mm HPLC Syringe Filter, Regenerated Cellulose (RC), pore size 0.45μm, injection moulded ring brown + print of the membrane type 100/box 17mm 针筒过滤器, 再生纤维 (RC), 孔径0.45μm, 棕色套环，100只