... Vacuum Filter Funnel: 250, 500ml GF Prefilter (Optional) Membrane: PES, MCE, CA, Nylon, PVDF Pore Size: 0.22, 0.45aam Jiui Vacuum ... FilterFeatures • Available in 0.22μm and 0.45μm • Volume sizes: 125, 250 and 500ml • Filter ... gamma sterile, 12pcs/ctn Cat. No. Funnel Capacity Filter Pour Size( µm ) Membrane Material Packing Info VFPPES122250 ... in PE bag gamma sterile, 24pcs/ctn Vacuum filter