Nalgene* MF75* Sterile Filter Units with CN Membrane - Filter Units, White Membrane, Green Grid; 50 Mm Membrane Diameter, 12/CS - 125-0045 [979.55835.VU]
Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.