Syringe Filters PES 25mm Diameter 0.22um Pore Size Non Sterile Pack of 10 pcs e material: PES , hydrophilic property .ÿÿSyringe filters are made of inert plastic house, membrane, and luer lock fit. e made of inert plastic house, membrane, and luer lock fit. It is used with disposal syringes or filtration device with luer fit.