The Vortex 72 shrink tunnel by Conflex puts the heat where it belongs...in the chamber with the packages. This uniques design positions 5 fully adjustable heating elements in the heat chamber keeping the heated air where it belongs, not circulating through baffles as the recirculating shrink tunnel designs do. This results in a fantastic shrink appearance and full control over the heated air flow. Giving you great looking shrink packages and minimal power consumption at lower shrink temperatures. The consistent shrink tunnel air temperature and uniform airflow offer superior shrink results.