High quality pore size 0.2um PTFE membrane filter manufacturer
Autofil Sterile Disposable Vacuum Filter Units with 0.2um Sterilizing PES Membrane, 250mL, 12/CS: Science Lab Bottletop Filters
Nylon, PTFE, High-Flow Asymmetric PES Pore Sizes 0.1µm, 0.2µm, 0.45µm...