Boreal Functional Limited Ingredients Diet Duck Formula Dry Cat FoodBoral Functional Limited Ingredients Diet (LID) Duck Formula is a single protein, grain free, gluten free, chicken free, hypoallergenic food designed to reduce feline food allergies, help sensitive stomachs, and provide skin and coat care using Canadian duck as the single meat protein. Features Single Source Meat Proteins: Minimizes the risk of food allergies Reduced Carb Sources: Helps identify potential irritants Grain Free: Avoids gluten and common