Vaccum Destoner is purposely engineered to separate heavier impurities such as stones, glass, metal from food grains and seeds such as wheat, corn, peas, paddy, sesame, coffee, peanuts etc. as well as any other dry granular material. The standard way make available while using this machine for the stratification of the product into heavier and lighter fractions by forcing air through the bed of material. The suction fan connected to the machine or by connecting the machine to a Central Aspiration System that achieve in the results/outcome.