The aspirator separates foreign material from granular product by means of spreading flow over an intake cone. The thin stream of material is introduced to a controlled current of air that passes through the material as it falls. Airflow is controlled with a sensitive valve, which restricts or increases air passage to the centrifugal collector. A sample is placed in the receiving hopper. The sample flow rate dial is then set for the desired rate of flow. Once the air slide is adjusted and locked the fan is turned on. The sample flow rate can be started or stopped instantly. When the cycle is completed the foreign material that has been removed from the sample can be viewed in the removable transparent plastic cup. Three quart hopper holds approximately 5 lbs. of rice allowing larger samples to be fed continuously. Unit comes complete with ½ HP, 110V, 50/60Hz, 1 PH motor, triangular pan and 2 qt. plastic cup. Net wt. 43 lbs. Ship wt. 50 lbs. Dims. 16" L x 24" W x 29" H. Export Ship wt. 77 lbs., Dims. 18" L x 24" W x 34" H.