Aug 04, 2008 · 142mm PTFE Membrane Filter Page 1 of 1 Click for More Product number: SF15129 PTFE Membrane Filter, 0.10um, 142mm, 50/pack Price : US$362.09 Select Click for More Information Product number: SF15130 PTFE Membrane Filter, 0.22um, 142mm, 50/pack Price : US$362.09 Select Click for More Product number: SF15131 PTFE Membrane Filter, 0.45um, 142mm