Interlabs? Sieves (LSE) These economical sieves are made of stainless steel mesh. These sieves may be used for geological particle sizing. They are available as a set of 6 with a lid and a catch pan, or they may be purchased individually. ? Sieves are available in the following mesh sizes: 5 (4000 micron), 10 (2000 micron), 35 (500 micron), 60 (250 micron), 120 (125 micron) and 230 mesh (63 micron). Qty :