A compactor device for compacting a product filling, like vented bags containing loose products, in a container (C), like a packing box, the compactor device comprising a container support configured to allow shaking and/or vibrating the container when supported on the container support, wherein the container support comprises - a plurality of compactor roller bars arranged to support the container, each compactor roller bar having a rotation axis and a non-circularcircumferential surface along the rotation axis to allow moving the container with a product filling supported on the plurality of compactor rollers bars up and down at a selected frequency when, in operation, rotating the compactor roller bars of the plurality of compactor roller bars, characterised in that the compactor roller bars of the plurality of compactor roller bars are arranged parallel to one another in a direction transverse to a conveying direction of the container from a supply end to a discharge end of the compactor device to allow conveying the container in the conveying direction on the compactor device; and in that the container support further comprises - a stopper arrangement configured and arranged to block conveying the container by the compactor roller bars of the plurality of compactor roller bars while, in operation, compacting the product filling by rotating the compactor roller bars of the plurality of compactor roller bars; and - a pressing arrangement with a pressing element configured and arranged to press downwards directly onto the product filling within the container (C) supported on the plurality of compactor roller bars while, in operation, compacting the product filling by rotating the compactor roller bars of the plurality of compactor roller bars. - a plurality of compactor roller bars arranged to support the container, each compactor roller bar having a rotation axis and a non-circularcircumferential surface along the rotation axis to allow moving the container with a product filling supported on the plurality of compactor rollers bars up and down at a selected frequency when, in operation, rotating the compactor roller bars of the plurality of compactor roller bars, characterised in that the compactor roller bars of the plurality of compactor roller bars are arranged parallel to one another in a direction transverse to a conveying direction of the container from a supply end to a discharge end of the compactor device to allow conveying the container in the conveying direction on the compactor device; and in that the container support further comprises characterised in that the compactor roller bars of the plurality of compactor roller bars are arranged parallel to one another in a direction transverse to a conveying direction of the container from a supply end to a discharge end of the compactor device to allow conveying the container in the conveying direction on the compactor device; and in that the container support further comprises - a stopper arrangement configured and arranged to block conveying the container by the compactor roller bars of the plurality of compactor roller bars while, in operation, compacting the product filling by rotating the compactor roller bars of the plurality of compactor roller bars; and - a pressing arrangement with a pressing element configured and arranged to press downwards directly onto the product filling within the container (C) supported on the plurality of compactor roller bars while, in operation, compacting the product filling by rotating the compactor roller bars of the plurality of compactor roller bars. <EOS>