₹ 1,450/ Packet Get Latest Price Durapore Membrane Filter, 0.22µm pore size, hydrophilic PVDF, 47 mm membrane, White, Plain Durapore® membranes provide high flow rates and throughput, low extractables and broad chemical compatibility. Hydrophlic Durapore® membrane binds far less protein than nylon, nitrocellulose, or PTFE membranes.