USE WHAT YOUR VETERINARIAN USES: Thornell is #1 provider of pet odor remover products to the veterinary industry in North America. Use what the pros use! This powerful cat urine smell remover can be used safely on rugs, walls, floors, litter, and more. TOUGH ON CAT ODORS: Use this cat urine odor eliminator to permanently and immediately remove cat urine smell in the first application saving you time and money. This cat odor remover has a fresh scent and deeply penetrates to the source of the odor where other sprays and carpet odor eliminator powders would only treat surface problems. EASY TO USE: Squeeze our cat urine odor remover into the measurement chamber and dilute ½ (half) oz pet urine eliminator concentrate to 16oz of water. Spray or pour on the source of the odor, saturating the soiled area. Work in the cat urine smell remover as thoroughly as possible, then let it air dry. Reapply if the odor persists after Thornell cat urine cleaner has dried.