1997 Baader Soft Separator. Model: 601. S/N: 740062. The drum hole size is 3mm. The throughput values depend on the application paRam Industrieseters and vary greatly. Drum hole size, type of feeding, product characteristics, input temperature, etc will affect the throughput. Baader claims this unit produces a high quality end product, reduced labor costs, minimal footprint, user friendly, USDA approved, CE labeled, and ergonomic. This was last used in a catfish application in Mississippi.