Purina One +Plus Indoor Advantage Dry Cat Food Tuekey, Be sure your indoor cat and her nutritional needs are a top priority with Purina ONE +Plus Indoor Advantage adult dry cat food. Made for indoor cats, this weight management adult dry cat food starts with real turkey as the #1 ingredient. Each cup of Purina ONE Indoor Advantage adult dry cat food contains 37 grams of protein to help support her strong muscles, including her healthy heart, and this cat dry food is formulated to help your cat maintain a healthy weight. A natural fiber blend helps minimize hairballs. Purina indoor dry cat food contains no artificial flavors or preservatives and 0 percent fillers.