Millipore Corporation announced the availability of 33 mm Millex syringe filters with nylon membrane for analytical sample preparation. These non-sterile syringe filters are used for filtration of 10 to 100 mL of aqueous and mild organic solutions prior to high performance liquid chromatography (HPLC) or other instrument analysis. The 33 mm Millex syringe filters with nylon membranes are available in 0.20 µm and 0.45 µm pore sizes and deliver faster filter rates for high throughput. These filters are the latest addition to Millipores expanding line of 33 mm syringe filters that includes devices with Durapore (PVDF) and Millipore Express PLUS (PES) membranes.