These refills from Air Wick are infused with natural essential oils. Plug in air freshener brings continuous and long-lasting fragrance into your home Ideal for your bedrooms, bathrooms, living rooms, hallways, kitchens and office spaces. Air Wick Scented Oils add a warm and consistent long lasting fragrance. The advanced design allows you to adjust the fragrance to the level you desire, and its sophisticated look complements your home decor.