Is your cat peeing outside the litter box, scratching your furniture and carpet, or hiding on a regular basis? These behaviors may be caused by fear and anxiety. Feliway products are vet recommended, drug free, and clinically proven to help alleviate many of the unwanted behaviors cat owners deal with. The Feliway Classic Cat Calming Diffuser Refill provides "happy messages" by mimicking the natural feline reassuring messages (pheromones) to make cats feel calm and comfortable at home. This cat calming diffuser refill has been found to reduce scratching, spraying, and hiding for 90% of cats, and many owners see results within 7 days. Cats are also very sensitive to change, so if you anticipate changes in the home (moving, renovation, decorating, new pets, new family members, etc.), this cat calming diffuser refill is very effective in helping your cats remain calm, and adapt to the changes without unwanted behaviors. Soothe your anxious kitty with this effective cat calming diffuser refill!