urineOFF Cat & Kitten Stain and Odor Remover and Pheromone Blocker Pack of 1 Urine Off Cat & Kitten 16.9 Ounce Spray Urine Off Cat & Kitten concentrated formulation eliminates all urine odors, tackling high-protein cat diets that create pungent smelling urine. It eliminates both fresh and old urine stains and odors (even years old!) Bio-enzymatic technology permanently eliminate your pets urine odor and stains from virtually any surface. Tackles even the strongest odors with added pheromone blockers to discourage territory marking behavior Our cat formula has a higher viscosity formula that better adheres to vertical surfaces where cats have sprayed on walls, furniture or upholstery.