This polystyrene vacuum Filter (Pack of 5) systems with polyethersulfone membrane for mycoplasma removal, designed for Filter (Pack of 5)ing and storing cell culture media, biological fluids and other aqueous solutions. Sterile. Funnel Capacity: 500mL. Membrane Pore Size: 0.1µm. Membrane Dimensions: 63 x 62mm. Neck Diameter: 45mm. Bottle Capacity: 500mL. Membrane Area: 33.2cm2. Cap Style: Plug seal. Cap Material: High Density Polyethylene. Cap Color: Orange. Corning® #: 431475.