Comfort Zone Calming Diffuser (Refill, 1 Pack)

Comfort Zone Calming Diffusers contain 2X more calming pheromones vs. competitors. Our Calming Diffusers release a drug-free vapor for up to 30 days that mimics a cat's natural calming pheromones to create a calming environment which helps reduce your cat's stress response behaviors like destructive scratching and urine marking.