Sartorius Membrane Filter, CN, 50 mm, 0.45μm, white-black HE, non-sterile 100 pc/PAK

The non-sterile membrane filters are made of cellulose nitrate (cellulose mixed ester), cellulose acetate or regenerated cellulose. They can be used for colony counting, particle testing and microscopy. Choose between gridded or non-gridded, membranes, either with or without hydrophobic edge.