It is used for the separation of foreign materials lighter than the cereals with the help of air. it can be put at the outlets of vibro separator and scouring machine on the same floor. The plate at the material inlet spreads the material neatly along the channel with the help of vibration of vibro motor and scouring machine. With the help of the rear screen adjusted in this way, the foreign materials are separated easily. By adjusting air suction power, the separation of foreign materials is enhanced much more. Moreover, the lightning and the transparent screen glass make adjustment and supervision easier.