Biofil® 15㎖ Centrifugal Filter Tube, Conical, Available Pore Size with MWCO 50 and 100KDaPorosity 0.01~0.2㎛ PES Membrane, Black Graduation·White Writing Area, 3,000xg/4,000xg, 원심 여과기 튜브 (DH24CAT00003454)