Oct 29, 2021 · sterile 0.2um ptfe syringe filter USA-PTFE Membrane Filter. Syringe Filters, 0.2um. Whatman syringe filters can be found in different diameters, pore sizes, and membrane types. Select from sterile or nonsterile versions without or with prefilters.Syringe filters are the primary option for analytical sample filtration. Regular Price: $505.85.