VET-RECOMMENDED TO KEEP YOUR CAT CALM + RELAXED - Pet Calming anti anxiety & stress relief products have been vet-reviewed and are vet-recommended to have a full spectrum phermone effect on your pets nerves, support brain function and maintain a calm aggression. This unique product is a sedative supplies for cats, it provides deep sleep for your pet, soothes nerves and causes relaxation leading to sleep DRUG-FREE SEDATIVES FORMULA : The cat calmer refill for diffuser plug in emits a copy of the harmony marker pheromone. This allows cats to feel at ease and maintain a harmonious connection with one another. CORRECTION PROBLEMATIC BEHAVIOR: Effective for 90% of cats to reduce fighting with dog, scratching, urine marking, stop peeing, spraying, hiding, and other behavior among multi cats and kitten in the house. HOW TO USE: The air diffuser with refill kit covers an area of up to 700 square feet for 30 days of use. After that, you need to replace the oil refill. Plugin upright into a wall outlet with vents facing up and never into power strips. Unsafe use can cause the diffuser's increase odor or leak. FIRST EFFECT: For best aid, keep the diffuser connected for at least 7 days at all times. The classic refills are best replacement collar, travel spray, treats, deterrent, vest, capsules, feli, tablets, way, pills.