Aug 04, 2008 · PTFE Membrane Filter,90mm, Hydrophilic,0.22µm,1pk/100pcs Price : US$492.46 Select Click for More Product number: SF13862 PTFE Membrane Filter,90mm, Hydrophobic,0.45µm,1pk/100pcs Quantity Discounts: Applied at Check Out Qty Unit Price 10-100 US$345.19 101-500 US$326.01 Price : US$383.54 Select Click for More Product number: SF13847 PTFE Membrane Filter,90mm,