... product diametre:20-50cm height:6-14cm usage:screen for flour,filter for grain,wheat,soybean. wooden screen mesh Flour sievethe flour ... sieve, family product,meanwhile,can be used for food,wheat,grain,coal, medical, Herbs, earth.the diametre:20-50cmheight:6-14cmthickness ... iron wire.The screen mesh durable,strong,steady. Wooden screen for agriculture