The file 'Slow Juice Squeezer (juicer) 33mm To 19mm Reduction 3D Printer Model' is (stl) file type, size is 235.3KB.
This is reduction from 32-33mm juice outlet to 19mm (inside diameter) standard hose, to ease larger juice production (for cider - for example :) ).It should work with all type of juicers like on picture.