Mesh Sizing and Kief Screening | 420 Magazine
MICRON VS LPI Mesh sizing The US and some other countries use the " lines per inch " or L.P.I. method of identifying mesh, which is a measure of how many strands contained within one linear inch of the mesh. 200 LPI mesh will have smaller hole size openings compared to 100 LPI because there are twice as many lines of fiber per inch.
