Air Wick Watermelon Berries Essential Oils Fragrance is a set of 7 refills and 2 warmers designed to create a refreshing and fragrant atmosphere in your home. The refills are made with natural essential oils, including watermelon and berries, to deliver a long-lasting and delightful scent. The glass bottle container type and wall plug-in power source make it easy to use and refill. This product is perfect for anyone looking to enhance the smell of their home with a natural and refreshing fragrance.