May 20, 2020 · The hydrophilic, low-protein binding RC membrane is suitable for a wide variety of HPLC applications. Whatman® membrane filters PTFE pore size 0.2 μm, diam. 47 mm Whatman® membrane filters PTFE pore size 0.2 μm, diam. 47 mm; Synonyms: syringe filter,Whatman filter,Z746312