Micron and mesh

Each dripper has a recommended filtration degree, e.g. 130 micron/120 mesh.

Your filter will need to meet this filtration requirement, i.e. if you need 130 micron filtration, your filter should provide 130 micron.

Size of pores in filtration medium in mm or micron. 1 mm = 1000 micron.
Number of strands or yarns per inch of woven media.


That said, micron/mesh should not be the only consideration. It is a guide, but you need to consider if you need additional filtration based on your needs, e.g. a multi-year subsurface irrigation system may warrant more filtration than what is specified.

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