Adaptil DIFFUSER The diffuser helps you to strengthen the relationship you have with your dog, by creating a comforting environment for them, making your home a home, sweet home. Several scientific studies have shown that the use of Adaptil helps to reduce signs of stress in dogs and puppies exposed to challenging situations for them at home. How to use Simply screw the refill bottle over the diffuser unit and plug it into an electrical outlet. Then leave the diffuser on continuously to keep your dog relaxed and friendly.The diffuser should be plugged in in the room in the house where the dog spends most of its time.Do not plug the diffuser into multiple outlet plugs, power strips, adapters or voltage converters.Each diffuser recharge covers an area 50-70m2. 30-day refills are available that you can use on your diffuser. You can replace refills each month by purchasing Adaptil Refills. Do not use Adaptil refills with any other type of diffuser units. Avoid connecting the diffuser under shelves or behind doors, curtains or furniture.