Keep your pooch feeling cool and collected with the ThunderEase Powered by ADAPTIL Calming Diffuser Refill for Dogs. Designed for use with the ThunderEase Calming Diffuser for Dogs (sold separately), this wall diffuser helps stop your furry friend’s problem barking, destructive chewing, and trembling along with other anxious behaviors. ThunderEase imitates a mother’s natural nursing pheromones to reduce your pal’s anxiety and help them feel secure. Crafted as an alternative to drugs, this diffuser has none of the unwanted side effects of sedatives or antidepressants. ThunderEase is perfect for new, anxious, or aggressive pups to help prevent unwanted or destructive behaviors.