Disposable Filter, Product Type Filter, Diameter 50 mm, Material Cellulose Nitrate (Membrane), Includes Stopper No, Upper Capacity 250 mL, Receiver Capacity 250 mL, Maximum Particle Size 0.8 um, Sterile/Non-Sterile Sterile, Standards Not Applicable, USP Specification Not Applicable, Autoclavable No, Package Quantity 12.