Abstract: An enhanced apparatus (10) for filling bags containing products, in particular fruit and vegetable products, arranged in first bags (16) having dimensions smaller than second bags filled with said first bags and comprising a feeding station (12) which feeds first bags (16) to a second bag filling station (18) which fills second bags with the first bags (16), a meshed material feeding station (20) to form bands of second bags, a closing and cutting station (22) which closes and cuts second bags filled with the first bags, said filling station (18) being an intermediate station between said meshed material feeding station (20) and said closing and cutting station (22), the apparatus comprising automatic sorting and selection means, integrated in the filling station (18), which automatically sort and select the first bags (16) fed by the feeding station (12) to transportation means suitable for moving said first bags (16), after being sorted, towards collection/accumulation means comprising unloading means provi