The TheraPet Dog Calming Diffuser Kit with Refills is a pheromone-based solution designed to provide anxiety relief for dogs of all sizes and life stages. The plug-in diffuser is odorless and non-sedating, creating a calming environment for pets. Made by Therapet, this kit includes a single unit with a 60-day supply of refills, ensuring long-lasting relief for your furry companion. Made in China, this product is a convenient and effective way to help reduce stress and anxiety in your pet.