Nalgene Thermo Scientific Filter funnel 500 ml, pore size 0.45 μm membrane 90 mm, 12 pc/PAK

New 75 mm diameter membrane for faster flow. Ideal for biological and pharmaceutical sterile filtration, filter top and filtrate bottle are graduated. All filtration devices have a quick-connect hose adapter with cotton plug. With leak-proof† screw cap for filtrate bottle. Sterile / graduation