Excellent production materials, long service life, used for industrial/laboratory sampling of powdered objects
Two Diameters are available for selection, holder with different diameters need to be paired with filter paper with different diameters
This product is a filter membrane holder, where the filter membrane is placed for use. You need to prepare the filter membrane yourself. This holder is a three/two-layer structure and can accommodate various types of filter membranes with different materials and parameters