The air knives are used on the production lines to eliminate quickly and economically the impurities or moisture from the products manufactured and treated on these lines. One still often uses the compressed air for this purpose. Among all the uses of the compressed air, most ineffective is however blowing. Few users realize of the high power consumption and the exorbitant cost of the compressed air.

The air knives have important advantages in comparison with other systems of drying:
- Optimized Energy consumption
- Reduction of the maintenance costs
- Easy Installation thanks to their compact construction

There exist several system requirements of drying ACI, according to the product to be dried. This flexibility makes it possible to use the systems of drying in the most various sectors:
- Industries of bottling and racking
- Agribusiness industry
- Auto industry
- For the drying of lengthened or extruded products