25mm PES Membrane Analysis 0.45/0.22 Micron Sterile Syringe Filter For HPLC Introduction Green Mall sterile syringe filters are independently packed, available with PES,PTFE,PVDF, Nylon, MCE, CA, & pore size 0.22,0.45, 0.8μm. gamma radiation sterilization, DuPont analyzer. Applications 1.Tissue culture media/additives. 2.Buffers. 3.Biological