Merck Millex™-HP Sterile Polyethersulfone Syringe Filter Units, 0.45 μm (Research Use Only): Syringe and Syringeless Filters Filtration | Fisher Scientific
Sterile Syringe Filter Unit 33mm Polyethersulfone PES Filter Membrane 0.22um Luer Lock Needle Filtration Instead Of Millex 50pcs|filter injector| filter syringefilter membrane - AliExpress
1PC Sterile Syringe Filter GC Injector Polyethersulfone PES Membrane Sterile Needle Filtration Dia 25mm*0.22/0.45um|Pipette| - AliExpress
PES membrane filter-PES membrane filter-Membrane 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.