Urine Off is what removes the cat urine smell in carpets, upholstery, and hardwood floors, guaranteed. Use Urine Off"s bio-enzymatic formula for cleaning cat urine odors and stains caused by marking and minimize repeat offenses with our unique pheromone blocker that impedes against future marking. Perfect for litter boxes, walls, carpets, sofas and more. Approved as safe" by the Carpet Rug Institute. Urine Off Cat Urine Formula comes in a variety of dispensers to handle all applications. With our top quality products detailed instructions and excellent customer service we guarantee you will finally get rid of that smell. Available in 16.9 oz."