●【Safety】Polystyrene filter funnel has a 500mL capacity and a 45mm diameter polyethylene neck adaptor with an angled hose connector that simplifies vacuum line attachment Gamma sterilization. ●【Applications】Polyethersulfone (PES) membrane has a 0.22m pore size and 64sq cm area; provides the fastest flow rates and highest throughput(could filter 1.5~2L), lowest protein binding and low extractables, and best filtering of cell culture media. ●【Packing】Individually packaged, sterile, and certified nonpyrogenic; designed for filtering and storing cell culture media, biological fluids, and other aqueous solutions ●【High Performance】 Larger flux and faster flow rate. Low hold-up volume. ●【 Certificate】Design, manufacture and sterilization processes meet cGMP requirements.