A hot air oven is a laboratory device used for sterilization and drying processes. It operates by circulating hot air, ensuring uniform heating to eliminate microorganisms and maintain material integrity. Commonly used in microbiology, pharmaceuticals, and material testing, hot air ovens are ideal for sterilizing glassware, tools, and non-volatile substances. Their temperature precision and durability make them essential for ensuring quality and safety in various industries, providing reliable and efficient sterilization solutions.