<h3>Cellulose nitrate membrane filter with hydrophobic edge</h3><p>Non-sterile, gridded membrane filters can be used for colony counting, particle testing and microscopy. Before usage, the filters first need to be sterilized (e.
<h3>Cellulose nitrate membrane filter with hydrophobic edge</h3><p>Non-sterile, gridded membrane filters can be used for colony counting, particle testing and microscopy. Before usage, the filters first need to be sterilized (e.