Corning® 250 mL Vacuum Filter/Storage Bottle System, 0.22 µm Pore 19.6cm² PES Membrane, Sterile, 12/Case

• Polyethersulfone (PES) membranes provide the fastest flow rates, the lowest protein binding and low extractables and are best for filtering cell culture media.
• 250 mL receiver bottles feature easy grip sides for improved handling.
• Additional storage bottles can be purchased to increase capacity.
• Bottle caps are supplied sterile and individually packaged. -
• Angled hose connector simplifies vacuum line attachment.
• Individually packaged, sterile and nonpyrogenic.
• Each system has the membrane material and pore size printed on the unit and is color-coded by membrane type for easy product identification.
• Expiration date appears on the filter funnel and shipping boxes.
• Expiration date of the membrane is three years from the time the product is manufactured.

NOTE: Products manufactured in 2021 or 2022 may contain un-pouched caps. Please contact Corning with any additional questions.