Pet parents, help your feline friends find peace and tranquility with the Petnatics Purrfect Calm Diffuser for Cats. Using soothing pheromone technology, it mimics natural feline signals to create a sense of security and comfort. An ideal way to help reduce tension in multi-cat households, each diffuser releases comforting pheromones for up to 30 days. And it’s easy to use—simply insert the refill vial and plug the diffuser into any standard outlet. Whether dealing with loud noises, vet visits, or changes in the home, this safe, fragrance-free diffuser helps breeds of all ages stay calm and relaxed in their environment without any unwanted side effects.