Aspire membranes are assigned a reference pore dimensions according to bubble point check information but, there are other approaches to characterize a membrane: Sterlitech's choice of Aspire laminated ePTFE filters are made from expanded polytetrafluoroethylene and supported with either polyester or polypropylene. The microporous construction of those filters will allow https://johnf295gxo2.oneworldwiki.com/user