Diamond Naturals Active Cat Adult Dry Cat Food Chicken Protein Formula from Cage-Free Chicken with Superfoods, Probiotics, Antioxidants and Essential Nutrients 18lb Active 18 Pound (Pack of 1) is up for auction in Pet Supplies. The current bid is $4.50, 87% below the $33.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.