The BAK aluminium tanks are shape bound tanks manufactured by low-pressure diecasting or pressure diecasting, depending on the type.
BAK tanks have a good cooling capacity due to high thermal conductivity and large surfaces.
The material aluminium makes them lightweight so that they can be delivered in small quantities via parcel service.
They are partly available both with and without oil collecting groove welded on. Subject to their design they are stackable which saves space. Available with a volume from 10 to 100 litres.