Product Details: A New Feline Pheromone Complex to convey more impactful messages, discover more. Helps cats with more signs of stress, in more situations, and calms cats better than ever To ensure optimum effect, plug in continuously, change the refill every month and replace the diffuser every six months FELIWAY Optimum is the best FELIWAY solution to help solve all common signs of stress for enhanced serenity:New pheromone discovery for reinforced efficacy9.1 / 10 Cat owner satisfaction rating.93% of cat lovers observed enhanced serenity. Easy to use: Just plug into a standard electrical socket in your cats' favourite room. For maximum calming results, keep the diffuser plugged in 24/7 Replace the refill bottle every 30 days. Each diffuser refill covers an area up to 70 m2 Avoid plugging in the diffuser under shelves, behind doors, behind curtains, behind furniture, as it will not work We recommend using Feliway when introducing a new cat or when
