Air Wick Plug-In Scented Oil Refill Hawaii Scent brings the essence of tropical paradise into your home. Infused with essential oils this refill releases a continuous fragrance of sweet mangoes and exotic papayas creating a relaxing atmosphere. Each pack includes two refills compatible with all Air Wick plug-in warmers. With up to 60 days of fragrance per refill (on low setting) it ensures your space stays fresh and inviting.