Feliway Diffuser offers a natural and convenient way to help manage stress related behaviors in your cat such as Urine spraying and vertical scratching Stress in mulit cat households to comfort cats in difficult situations such as Adoption Moving house, vacations, boarding Remodeling, renovation New arrival (a new baby, new pet) Noisy environment Feliway is a pheromone behavior treatment and relieves stress in cats by simulating naturally occurring pheromones that calm and reassure them in stressful situations. Feliway mimics a natural comforting facial pheromone produced by cats. Reduces or completely stops stress-related behavior including: urine marking, vertical scratching, loss of appetite and adjusting to a new environment. Does not affect humans or other pets. Vial lasts approximately 4 weeks. Much like a plug-in deodorizer, the Feliway Diffuser emits a synthetic cop of your cat's natural facial pheromone, used by felines to mark their territory as someplace safe and secure. Oil vapor carrying the pheromone will rise in a column of warm air above the Diffuser and prevent your kitty from urinating to mark its territory. Using pheromonatherapy to help sooth your pet is a new field in veterinary medicine. This scent in a room will help reassure your cat while it copes with a challenging new situation.United States