Polystyrene housing, 0.2 µm PES membrane. The optimal choice for small volume tissue culture work. Offers clean, fast filtration of 20 ml to 50 ml of media or buffers. This low protein binding unit is non-cytotoxic and pyrogen-free. Comes assembled with 50 ml conical tube and a separate closure. Includes 2 reusable stands in each case. Certified and graduated. Lot number, catalogue number, membrane type, pore size and expiration date are printed on it. | 