Mesh screen size for kief shake

Hi what mesh micron size do you reccomend for kief collection from frozen popcorn and leafs ?

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$25 grinder gives me this much keef within not even two weeks : r/weed

Package includes 1 * Replacement Screen 40 Mesh 0.45mm Mesh size for reference: 30-50 mesh for Flour; 40 mesh for Cake; 20-50 mesh for Five Cereals

40-Mesh 0.45mm Stainless Steel Mesh Screen for Electric Vibrating Sieve Machine Power Sieve Shaker Screening Machine

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