Product Description. Water wettable, hydrophillic, polytetrafluoroethene) membranes are a "next generation", all-purpose, hydrophilic membrane for aqueous, acidic, basic, non-aggressive organic, and aggressive organic solutions. It offers low protein binding and low levels of UV-absorbing extractables. (For more info, see: Acrodisc wwPTFE Syringe Filters Versus Syringe Filters with Hydrophilic Polypropylene (GHP) Membranes White Paper: April 2021 720007171EN)