Adaptil Calm Home Diffuser is an excellent solution to help your dog stay calm and adapt at home, in situations like staying alone, loud noises, visitors and fears. Brings you and your dog closer, by creating a reassuring environment at home. Continuous use provides constant comfort for your dog. Clinically proven. Veterinary used and recommended Easy to use Good To Know: 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.