ADAPTIL CALM 30 DAY REFILL | The Adaptil plug in for dogs creates a relaxing and stress relieving environment in your home using the science of pheromones to help anxious dogs feel calmer and more peaceful. Each plug in refill lasts for up to 30 days CAUSES OF STRESS | The Adaptil dog calming diffuser for dogs helps provide anxiety relief in common, stressful circumstances that take place in your dog's life, like fireworks, thunderstorms, separation anxiety, and parties CALMING PHEROMONES | Our calming dog plug in works by emitting a synthetic version of a natural pheromone released by dog mothers. This pheromone is released into the environment to help soothe and calm your dog and works as well on adults as it does on puppies SCIENTIFICALLY PROVEN | Our pheromone plug in for dogs draws on over 2 decades of research and development into dog behaviour and stress relief and are trusted and used by vets, charities, and behaviourists ADAPTIL RANGE | The full Adaptil range of dog calming products provide different methods to help your dogs in specific circumstances. Adaptil Transport spray is designed to help while travelling, Adaptil Calming Chews provide fast acting support, and Adaptil On-The-Go Collars can be worn in any situation