Laboratory sieves, Odessa region.

Sieves are used to separate materials by particle size, for separation and sorting of seeds,grain and products of its processing, screening of stonecoal, coke, ores of ferrous and non-ferrous metals, agglomerate.
(//tractor-service.com)
The diameter of the collar is 200\300 mm, the height is 50; 70; 100mm material: stainless steel and galvanized

Sieve in a wooden case 350x350, height 100mm.