HOT AIR OVEN GMP type Manufacturers in Ahmedabad Brand: Hema Another key application of GMP air ovens is in the food industry, where they are used for drying ingredients, packaging materials, and sterilizing equipment. Air ovens provide a consistent and controlled environment for drying sensitive food products such as herbs, fruits, and grains. The controlled temperature prevents degradation of the food’s nutritional value and preserves its quality. GMP-type air ovens also help maintain food safety standards by ensuring that packaging materials are sterilized and free from contaminants.