Product Details: Reduces or completely stops stress-related behavior including: urine marking, vertical scratching, loss of appetite, reduced desire to play or interact and other stress-related behaviors. Helps comfort cats in stressful situations such as: being alone in the house, visitors to the home, new pet or family member, moving to a new home, visits to the veterinarian, adjusting to a new environment, multiple cat households. Product Features: Reduce urine marking and scratching Clinically proven 95% effective Veterinarian Recommended Drug free Contains 6 48 mL refills Diffuser sold separately; fits both Comfort Zone and Feliway brand diffusersUnited States