It depends on the specific model of the air fryer and the type of metal pan you have. In general, it is not recommended to put just any metal pan inside an air fryer.
Most air fryers come with a non-stick coating on their baskets or trays to prevent food from sticking and ease the cleaning process. Using metal utensils or pans with a rough or abrasive surface can damage the non-stick coating, reducing the effectiveness of the air fryer and potentially releasing harmful particles into the food.
However, some air fryer models do allow the use of certain metal accessories explicitly designed for use with air fryers. These accessories, like specially coated or perforated metal pans, can withstand the high temperatures and are safe to use with the appliance.
To be sure about whether you can use a specific metal pan in your air fryer, refer to the manufacturer's guidelines and instructions that come with the appliance. If your air fryer does not explicitly state that metal pans are safe to use, it's best to stick with the provided non-stick basket or use approved accessories made for the appliance. Alternatively, you can consider using oven-safe glass or ceramic cookware as an alternative to metal pans.