Aperture Size is the same with Mesh Opening, the size of mesh opening, usually measured in microns, for example, when we say aperture size: 30um, that means the mesh opening is 30um or filtration rating is 30um.
Aperture Size is the same with Mesh Opening, the size of mesh opening, usually measured in microns, for example, when we say aperture size: 30um, that means the mesh opening is 30um or filtration rating is 30um.