Delta Technology Iguazu II Color Sorter, 115V, 0.9 Amps, model DSA4, is manufactured by Delta Technology Corporation. The Delta Iguazu-II is used for sorting Robusta and some Arabica coffees. The Iguazu-II design emphasizes ease of operation with touch of a button simplicity and bright easy to read on screen menus, low operating costs over time, and field upgradeable options so that users can incorporate future improvements.