The Pura Hawaii Homesick and Nest New York Smart Scent Fragrance Refill 10ml is a liquid aromatherapy product designed for use in a wall plug-in diffuser. With a white color and compatibility with Nest smart home systems, this refill is perfect for creating a relaxing atmosphere in your bedroom. Packaged in a 10ml volume, this fragrance refill from PURA is a convenient and effective way to enjoy the scents of Hawaii and New York in your home.