Mix egg white and water in a small bowl and use a whisk for 1 minute until the mixture is frothy.
Mix the salt, sugar, and cinnamon together in a bowl and set aside.
Add the pecans to the egg mixture and toss until fully coated. Pour in the cinnamon and sugar mixture and toss the pecans to ensure they are fully coated.
Spread out the coated pecans in the prepared air fryer basket.
Cook on 350 for 8-10 minutes, shaking the basket often.
*Nutritional information is a calculated guesstimate. Please note that this can change with different brands and modifications you may make to the recipe. For the most accurate information, use a nutritional calculator with the exact brands and measurements you're using with each recipe.