Urine Off Dog Formula is the #1 Veterinarian recommended product for dog urine odor and stain removal. In the past, dog urine odor and stains were nearly impossible to eliminate. Now with Urine Off Dog Formula you can permanently eliminate your dogs urine odor and stains from virtually any surface. It is the only dog urine odor and stain remover that carries the Seal of Approval from the Carpet and Rug Institute (CRI), the U.S. Carpet Authority. Urine Off is the official show-ring treatment for Crufts, the world's largest dog show. Professional dog trainers use Urine Off Dog Formula to remove the residual set-in urine odors that can contribute to undesirable territory-marking behavior. More economical per oz., our Gallon Bottle is designed to treat larger stains or problem areas that require more then just a few INCH squirts INCH . Apply with optional Battery Powered Sprayer.