1. 5XFS-series Air-screen Cleaner consists of Bucket Elevator, Dust Catcher, Vertical Screen, Vibration grader and Grain Exits. 2. It can clean the light impurity through vertical air screen according to grainâ??s aerodynamic feature, then the material will enter vibration sieve, which can clean big and small impurities by different types of highly precise punching sieve in accordance with different sizes of grains. 3. The material can be classified into big and small particles with three-layer sieves, and with four-layer screening machine, the product can be divided into big, middle and small grains.