New highperformance cooling system evolution ultra cool reifenhäuser kiefel extrusion has added a new, userfriendly highperformance cooling system to the new evolution blown film line generation. This advance will make it possible for film manufacturers to significantly increase output capacity. The new cooling design evenly cools from within and without, employing the same concept as the successful cooling system ecp enhanced cooling package, which has been used for years now in the production of heavy duty sacks.