Air Wick's electrical plug-in diffusers continually release gentle fragrances to create a welcoming atmosphere in any room. Each Air Wick® refill provides up to 100 days* of continuously diffused and carefully blended fragrance throughout your home. Our plug-ins also allow you to control the fragrance level as desired, while enhancing your décor with a sleek look. Simply insert a refill into your chosen plug in gadget, and relax as the delightful fragrance instantly begins to infuse your room. *Based on 12 hour usage a day on minimum setting.