Corning* Sterile Bottletop Filter

Sterile tissue culture filters in polystyrene funnels for use on glass or polystyrene media bottles. Available in 33 mm and 45 mm neck sizes. Individually packaged, sterile and certified non-pyrogenic. Prefilters, dust cover and polypropylene tubing connector included.
Choice of membrane: Polyethersulfone (PES) for fast flow rates and low protein binding; Cellulose acetate (CA) for low protein binding; Cellulose nitrate (CN) for general purpose filtration; and Nylon (NY) for low levels of extractables.