FELIWAY Optimum is a patented new pheromone discovery, and the best FELIWAY answer to help reduce common signs of stress in cats such as: scratching, urine spraying, tension and conflicts between cats, fears, and reactions to changes 93% of cat owners report enhanced calming, with an average satisfaction rating of 9.1 out of 10 FELIWAY is Vet Recommended and the number one selling solution; FELIWAY Optimum is a drug free solution that helps cats with more signs of stress, in more situations, and calms cats better than ever FELIWAY Optimum heated diffuser covers up to 700 square feet; for the best results, position the diffuser where your cat spends most of his or her time, and avoid plugging the diffuser in under shelves and behind doors, curtains, or furniture Starter kit includes 1 diffuser head and 1 vial; make sure to only use a FELIWAY Optimum Diffuser with a FELIWAY Optimum refill (they are not compatible with other brands); to maximize effectiveness, replace the vial once a month, and the diffuser every 6 months
