Product DescriptionAre your cats fighting or is there tension between cats in your household? Feliway MultiCat is vet recommended drug free and clinically proven to reduce tension and fighting among cats in the home. Signs of tension could include chasing blocking staring fighting or hissing among cats. By mimicking the natural feline appeasing messages (pheromones) Feliway MultiCat sends ?harmony messages? to help your cats get along more effectively and avoid tension conflict and fighting in the home. Most cat owners see a 70% reduction in conflict in 3 weeks. The Feliway MultiCat Starter Kit includes one diffuser head and one refill vial. You should plug your diffuser in the room(s) where your cat spends the most time and make sure it isn t covered by curtains or behind furniture. Each diffuser covers up to 700 sq. feet and each refill can last up to 30 days. For maximum effectiveness you should replace refills every 4 weeks and your diffuser every 6 months. Make sure to follow the ins