FELIWAY® Optimum contains the patented latest generation of Feline Pheromone Complex, developed by the FELIWAY® research team. This new discovery delivers advanced calming messages, helping your cats feel comfortable and secure at home. FELIWAY® Optimum represents the next generation of pheromone technology with improved efficacy. FELIWAY® Optimum helps cats with the management of more signs of stress (such as urine spraying, vertical scratching, excessive hiding, and inter-cat conflicts), in more situations, and calms cats better than ever.

Plug in diffuser where your cat(s) spend the most time and use continuously. The diffuser does get warm for proper evaporation. Best results typically seen after 3 - 4 weeks of continuous use; some cats show improvements as soon as the first 7 days.

Contains: 1 diffuser device and one (1) 30 Day Refill.