PrecisionTM premium syringe filter, PTPF membrane, 25 mm diameter, 0.2 um pore size, nonsterile. Excellent chemical resistance, suitable for most aggressive solvent, acid and base samples. Ideal for the efficient filtration of samples up to 100 mL. Precision filters are produced from pigment-free polypropylene housing with standard inlet (female luer lock) and outlet (male luer) connections.