Argos filtration units are ideal for separation and purification of your samples. Item has a wide bottle opening for easy access and pouring. Graduations are engraved to provide more accuracy. The cap for the receiver bottle is sterile and individually wrapped. The reservoir has a large cap for easy pouring. Hose connector fits multiple hose diameters. Funnel is manufactured from optically clear polystyrene. The bottle and filter adapter are manufactured from 100% virgin polypropylene. Certified non-pyrogenic and Gamma irradiated. Individually wrapped with peel-open packaging. Lot numbers are printed on the case for easy traceability. Membrane material: Nylon in 22µm. Capacity: 250 mL Argos #: BNY2225