Nalgene* MF75* Sterile Bottletop Filters with PES Membrane

Polystyrene filter housing with polyethersulfone (PES) membrane securely screws onto glass media bottles with 33 or 45 mm neck sizes. Allows direct filtration of liquid into sterile glass media bottles*. Side-arm with quick-disconnect tubing adapter. Lot number, catalog number, pore size, and expiration date are printed on each unit. Certified sterile, non-cytotoxic and non-pyrogenic. Blue collar. Sterile shelf-life is 5 years. Use only sterile bottles designed for use with vacuum.