On behalf of zwartmachines.nl, we have delivered this combination unit to a customer in our region. The combination consists of a BSB 4120 hopper, a product cleaner with PU spiral rollers and smooth stainless steel rollers, a pre-sorter with diabolo rollers, and an inspection unit. With this complete solution, the customer can receive, clean, and subsequently pre-sort potatoes and onions by size and quality.