Polyethersulfone PES Syringe Filters, 0.22um, 4mm, Luer-Lok/Luer Slip, Sterile, 100 per pack, SF18206
BD Nano™ 4mm pen needle
4mm Syringe Filter-Syringe Filter-Lab filtration - Supplier of HPLC Accessories and Lab filtration consumables Such as Syringe Filters,Membrane Filters,Chromatography Vials, SPE Columns,Liquid Handling Products and so on.